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MARBLE AND EGYPT

Historically, the industry moved from labor-intensive to capital-intensive with the advent of technological advancement, including development of automated production tools like cranes and diamond cutting wires. In addition, there was, and still is, lack of effective government regulation especially related to the marble extraction process from the quarries. Egyptian now how in quarrying and cutting the ornamental stones, especially granite. In the mid-1980s, the maximum capacity for the cutting machines in the country was 49, 850m2 for all types of ornamental stones.
Help Me Id My Marbles Collection Please Are They Antique/ Vintage Or New? | Duration 6 Minutes 31 Seconds Moreover, cost of quarrying was not high, due to the use of relatively cheap technology (via the overvalued currency) and relatively cheap labor (mostly unskilled). This motivated investors to spend on expensive and modern imported technologies. According to specialists in the industry, there are 3 types of factories: (1) factories that are just involved in cutting the blocks into plates of marble and then distributing them to workshops that handle further cutting and polishing, (2) factories that cut and polish the plates, and (3) factories that do the whole process until the final product is produced. Factories in developed countries are fully automated which makes the industry highly capital intensive. The main process that is highly automated in this industry is block cutting into plates, as doing this manually does not facilitate mass production. Namely, the supply of water and electricity is insufficient as well as the needed infrastructure to ensure a minimal level of living standard for the workers. In the old times this industry was labor intensive, but with the development of modern technology, this industry became relatively capital intensive and almost fully computerized in many countries of the world. Extraction of raw marble blocks from the quarries is an area that needs to be especially overviewed and regulated from an environmental standpoint. This needs a change in extraction techniques towards using different tools such as diamond wires and automated bloc cutters to achieve standard sizes. Regulating this important resource of the country is mandatory for sustainable development. High profitability could lead to further market entry which may prove to attract more efficient production technology. Egypt plans to promote about 60 projects (public and private) in the upcoming years, with the aim of luring fresh investments to boost its limping economy. With the privatization trend in the early 1990s, investors started to be interested in the marble and granite industry that was flourishing with high profit margins and which seemed to have good potential for growth. In general, during the late 1980s to mid-1990s, entry level into the industry accelerated, encouraged by the high profit margins achieved coupled with the low economic barriers to entry. All other processes including polishing could be done either with fully automated equipment or with semi-automated or manual machines. Accordingly, if factories are located right besides the quarries, this will necessitate several requirements that are not feasible.

New Marble Show Shorts | Um…. (#5) | Duration 5 Minutes 58 Seconds On the other hand, transportation of the finished product is much more complicated and risky, as the processed marble is very fragile while solid raw marble stone can be transported without concerns of fragility. Currently, extraction practices include the excessive use of explosives which results in an enormous waste to natural resources as well as to the deformation of the extracted blocs of marble. Moreover, improving the quality of the final product is key to invading the international markets and establishing a reputation in this field.

Marble Machine by sciencebuddies.org

What if you worked at a bank and had to sort thousands of coins, or at a food processing factory dealing with thousands of pounds of flour? Early miners would use a manual process, called panning to separate gold nuggets from dirt and sand in a pan. Particles with a smaller diameter fall down through the screens, while larger particles stay on top. You will start out with a cup containing a mix of two different size spheres, pour them into the machine, and the machine should sort them into two separate cups. Spheres are poured into the funnel at the top and then roll down the popsicle sticks. The larger, heavier spheres weigh enough to tilt the lever, so they roll to the left. It’s not as smart as you are, and it may occasionally give humorous, ridiculous, or even annoying results! These do not count toward the total of 10 cups allowed to build your machine, but they must be easily removable and cannot be a structural part of your machine. You can use scissors or a craft knife to cut the materials, but you are still charged the full point value for an item even if you only use half of it. If you cannot find 6 mm and 12 mm diameter spheres, you can substitute 1/4 inch and 1/2 inch spheres instead. Your machine must fit on a 2 ft by 2 ft piece of cardboard. You cannot fold the cardboard or cut off smaller pieces and use them as parts of your machine. The machine must collect the plastic spheres in two separate 16 oz cups. They cannot act as structural supports for your machine or otherwise be permanently attached to the machine. While you can pour the spheres into the machine as slowly or as quickly as you would like, you must pour them in one continuous motion. There is no limit on the number of tests you can do, but you can only submit one score for the contest. The judge should stop the stopwatch as soon as the last sphere either falls into a cup or falls out of the machine. Any use of a material counts for the total point cost of that item. If you cut a piece of paper in half and only use half of it, you are still charged the full 75 points. It is okay if your machine does not work perfectly on the first try. How high is the score, and do you think you could do better?

Making A Handmade Marble | Duration 6 Minutes 45 Seconds Virtually every object that you see around you has passed through the hands of a mechanical engineer. Industrial engineers tell companies how to shorten these processes. Try sorting objects by something other than size, like spheres that are the same size but different colors or different densities. Build a larger sphere-sorting machine, for example one that can sort tennis balls and ping pong balls. Be sure to check the formatting, including capitalization, for the method you are using and update your citation, as needed. Regardless of what exactly they sort, they all have something in common: they automate a task that would be very difficult, or even impossible, for humans to do! Modern industrial mines use a variety of automated processes to separate valuable gems and minerals from dirt and other rocks. Others use mechanical methods like screening, where particles fall through screens with different-sized holes. Some systems use bursts of compressed air to blow away lighter materials, while materials with a higher density remain in place. The smaller spheres fall through the gap between the popsicle sticks into the first cup, and the larger spheres continue rolling to the second cup. This machine uses a lever to separate larger, heavier spheres from smaller, lighter spheres. The smaller, lighter spheres are not heavy enough to tilt the lever, so they roll to the right. What are some large-scale or industrial examples of sorting, sifting, or screening? Although they sort coins and not plastic spheres, you may be able to apply some of the same principles to your sphere-sorting machine. For example, if you cut a piece of paper in half and only use one half in your machine, you will still have 75 points subtracted from your score. This means that you cannot touch the machine during operation and the machine cannot have any electrical or motorized parts. This piece of cardboard can only serve as a base and must remain flat. You are allowed to tape your machine to the cardboard. These cups must be removable so you can easily count the spheres. You can always re-test to try and get a higher score. For example, do not reach in to dislodge a sphere that got stuck, or to re-tape part of the machine that broke. Do not count spheres that fell out of the machine or got stuck in the machine.

Fair 2009 Marble Shoot | Duration 2 Minutes 59 Seconds Spheres that got stuck in the machine, or fall out of the machine but do not land in a cup, are not counted toward your score. For example, say you initially build a machine with 8 pieces of paper. You only need to count 6 pieces of paper in your total, even if 2 extra sheets appear “used” (ripped or crumpled). What different methods are used to sort particles or objects of different sizes? Which one do you think will satisfy your requirements the best? You might test the machine by dropping just a couple spheres into it at a time, and realize that it does not do a good job sorting the spheres. For example, nobody likes to wait in a long line to get on a roller coaster ride, or to get admitted to the hospital. Any small spheres with those diameters are acceptable, but be aware that some materials (like glass and steel) are heavier than plastic and may make the project more difficult.

VITORIA STONE FAIR 2019 by marbleguide.com

In colder regions, they are combined with heating systems and carpets. It can be applied to floors, walls, countertops, furniture and decorative objects. In 2018 the fair received people from 46 countries, among exhibitors and visitors. In addition to its aesthetic value and durability, the choice of each material tells a lot about the personality and style of each client. Due to it all, the use of the stones in the decoration turns the space into a true piece of art, in addition to conferring unquestionable beauty and authenticity. Although luxurious, marble is a more delicate stone that needs greater care, and is not suitable for kitchen countertops and outdoor areas because of its greater vulnerability to risks and water absorption.

How To Find Simple Probability Example With Marbles Video by khanacademy.org

And so this is sometimes the event in question, right over here, is picking the yellow marble.

Marble Maze Project Video | Duration 4 Minutes 23 Seconds And the way we’re going to think about it is how many of the outcomes from this trial, from this picking a marble out of a bag, how many meet our constraints, satisfy this event? And sometimes this is referred to as the sample space, the set of all the possible outcomes. And then you say, well, how many of those marbles meet my constraint, that satisfy this event here? So there’s 3 right over here, so number that satisfy the event or the constraint right over here. Many times the words make them more complicated than they need to. And when you say probability, it’s really just a way of measuring the likelihood that something is going to happen. So let me write the possible outcomes right over here, so possible outcomes.

How To Calculate Probability With Cheat Sheets by wikihow.com

The likelihood of rolling a three on a six-sided die is 1/6. So, let’s say you’re trying to find the likelihood of rolling a three on a six-sided die. In the case of rolling a three on a die, the number of events is one (there’s only one three on each die), and the number of outcomes is six. Calculating the probability of multiple events is a matter of breaking the problem down into separate probabilities. You know that the probability of rolling one five is 1/6, and the probability of rolling another five with the same die is also 1/6. The likelihood that the first card is a club is 13/52, or 1/4. You are measuring the probability of dependent events. The probability that the first marble is red is 5/20, or 1/4.

Help Identifying Vintage Marbles | Duration 2 Minutes 2 Seconds And the probability that the third marble is white is 11/18, because we’ve already chosen two marbles. The odds of an event is the ratio of its probability that it will occur to the probability that it will not occur. Break the odds into two separate events, plus the number of total outcomes. You decide to draw 5 balls from the pot without replacement. Since the first ball drawn was blue, for the second draw there are only 49 blue balls in the pot, so the probability of drawing a second blue ball is 49/99. For example, if the range is 1 through 9, the probability of getting a specific number is 1/9. Keep in mind that the players are human too, and they might have a bad day where they don’t play as well as they usually do. You will end up with 2^3 possibilities, or 8 possibilities. However, winning multiple tosses in a row is a dependent event – to get a streak of correct tosses, you have to win not only the current toss, but also the previous tosses. The chances of pulling a black card out of that deck is 26/52 or 1/2, since two of the four colors are black and there are 26 cards for each color. Multiply that number by 100 to get your probability as a percent. Calculating probabilities can seem tricky at first, but once you learn the simple formula, you’ll be able to do it easily. If you arrive at a negative number, check your calculations again. If the likelihood of all possible events doesn’t add up to 1 or 100%, you’ve made a mistake because you’ve left out a possible event. But the probability of rolling all five other numbers on a die is also 1/6. Probability is the likelihood of one or more events happening divided by the number of possible outcomes. If a marble is drawn from the jar at random, what is the probability that this marble is red? This will give us the probability of a single event occurring. The number of events is two (since two days out of the week are weekends), and the number of outcomes is seven. The number of events is five (since there are five red marbles), and the number of outcomes is 20. These are independent events, because what you roll the first time does not affect what happens the second time; you can roll a 3, and then roll a 3 again. Now, the likelihood that the second card is a club is 12/51. This is because what you do the first time affects the second; if you draw a 3 of clubs and don’t put it back, there will be one less fewer club and one less card in the deck (51 instead of 52). The probability of the second marble being blue is 4/19, since we have one fewer marble, but not one fewer blue marble. This will give you the probability of multiple events occurring one after another. If three marbles are drawn from the jar at random, what is the probability that the first marble is red, the second marble is blue, and the third is white? In the example of 9:4 ratio, 9 represents the probability that the golfer will win. Remember that in sports betting and bookmaking, odds are expressed as “odds against,” which means that the odds of an event happening are written first, and the odds of an event not happening come second. For the purposes of this article, we will not use odds against. The event that the golfer will win is 9; the event that the golfer will lose is 4. Now the calculation is the same as calculating the probability of a single event. If the balls are drawn without replacement, then after every draw there will be one fewer ball in the pot, so the total number of balls for the second draw is 99. What is the probability that heads will appear exactly two times? The chance of winning an individual toss is 50% (1/2), assuming a fair coin and a random toss. The chances of pulling a face card out of a full deck of cards is 12/52. Subjective interpretation of probability will be different for each person. Numbers cards, with numbers 1 to 10, and out them in a box, such that each number appears only once. For example, if you want to calculate the probability of rolling a 1 on a 6-sided die, you have 1 event (“rolling a 1”) and 6 possible outcomes (“the different sides”). To learn how to calculate the probability of multiple events happening in a row, keep reading!

Marble Tile Exporters by lomrod.com

Marble can create distinct look with unique colour streaks and vein patterns. We are among the best marble tile exporters and you can rely on our product quality. So we only deliver best quality and sophisticated products to make your home look beautiful. It has an enduring elegance that can be used to create luxury finishes in bathroom and bedroom areas, work surfaces, wall tiles and flooring. It comes with endless spectrum of finishes, patterns and shades. You will get lots of options when it comes to choose perfect marble tiles. Client satisfaction matters a lot for us and we understand your home decoration is associated with your emotions. Marble is a versatile stone and it can be used on both walls and floors.

How To Care For Marble Tiles by homequicks.com

With its richness, e legance, and overall appeal, one would only presume that the house with marble flooring belongs to a king or someone of the like. The best way to avoid such situations is to learn how to care for marble tiles. It is, therefore, suggested that a stone sealer be used on the marble to prevent it from absorbing anything that spills on it. You must use only the best quality sealer if you want your floor to last long. While sealing the floor is a good way to protect the floor, it does not reduce the need for regular care. Here are some simple tips you should keep in mind to ensure marble tile care. Either vacuum the floor (ensure that the floor cleaning brush is not worn out else it may scratch the surface of the tile), or dust it daily. Use a non-acidic cleaning solution diluted in warm (not hot) water, and wipe the floors thoroughly, almost dry. A lot of people use vinegar to clean their floors, and while vinegar is a great cleaning agent, it is the worst product you could use on marble. Once it is soaked, use a marble floor cleaning agent to carry out effective marble stain removal. Similarly, place plant pots on bases and not directly on the floor. Avoid dragging heavy furniture on it to prevent any scratches. So, instead of figuring how to polish marble yourself, it is a good idea to hire professionals for the same. The difficulty in cleaning and maintaining marble is what people are unaware of. This means if you accidentally spill any staining agent on it, the stain is not only going to get absorbed, it is likely to spread, unless dried out immediately. However, to choose the best sealer, it is important that you consult with a professional, and apply it while the floor has just been laid. You could skip this step, but you should never skip applying sealer on the grout. Without these your exquisite floor may become another lifeless type of flooring that dulls the appearance of an entire room. On the other hand, if you haven’t used any sealer, then the need for regular maintenance increases manifold. Because sand and grit can easily introduce scratches on marble, ensuring that it is cleaned daily is important. Experts suggest placing area rugs where marble tile floors have heavy traffic. Do not allow any water stains to manifest as even water, as harmless as it seems, can damage your marble floors. Do not wipe it as the stain will spread and get absorbed by the floor. Use plastic or felt pads below furniture to prevent them from scratching floors. Finally, no matter how much you pay attention to caring for your marble flooring, it is likely to wear off over time.

The History Of Marble Stone and Why It’s So Popular For Countertops by archcitygranite.com

It was then pulled from its source with the help of pulleys, winches, levers, and wooden beams. The color of marble varies due to different minerals that are present in the stone. Red marble gets its tone from hematite, and limonite gives marble a green or yellow tone. Today, marble is used for a variety of structural and aesthetic purposes. Another intriguing aspect about marble is that since it’s a natural stone, every countertop is sure to be unique. Although it can be expensive, marble countertops essentially pay for themselves as long as they are maintained and properly cared for throughout the years. However, think carefully about installing dark marble countertops in your kitchen—etching is more noticeable on dark marble than light colored marble. Just like any other type of countertop material, there are downsides to using marble as your selected stone. This makes marble prone to staining and chipping, which can quickly downgrade its beauty and elegance. There are methods you can use to protect your marble countertops and keep them looking beautiful for years to come. It’s best to clean your marble countertops with gentle dish detergent, warm water, and a soft cloth. It’s a metamorphic stone that is a result of limestone being subjected to immense amount of pressure for long periods of time. Hammers and wedges were used to release marble from the earth. Aside from statues and buildings, colored marble was used to create beautiful tile flooring. Its stark white appearance makes kitchens look clean and strikingly classic. Furthermore, marble countertops come in a variety of colors that are well suited for a variety of personal tastes. One of the disadvantages of using marble as your kitchen countertop is that it’s a porous and soft stone. Homeowners who notice small imperfections might be better off choosing an alterative countertop material for their kitchen, such as quartz. Although this fact can be off-putting to some, this doesn’t mean that you should discard marble as a countertop choice altogether. The first step in protecting and maintaining marble countertops is to properly seal them—and seal often. You’ll also need to choose your cleaning products carefully. Avoid using harsh chemicals such as bleach, which can easily cause damage.

Quandaries and Queries At Math Central by mathcentral.uregina.ca

If you draw 5 marbles in a row, throwing each marble across the room as you draw it, what is the probability that at least one of them was red? Twice as many red, as blue, and 1 more green than there are red. If you draw 5 marbles in a row, throwing each marble across as you draw it, what is the probability that at least one of them was red? Without looking you are to reach into the hat and pull out a marble. A bag contains 6 red marbles, 9 blue marbles, 5 green marbles. You withdraw one marble, replace it, and then withdraw another marble. Two marbles are randomly selected from the bag without replacement. A marble is chosen at random from the urn and it is noted that it is one of the black marble, what is the probability that it is yellow? What is the probability that when one is pulled out, it will be red? If you draw 101 marbles in a row, throwing each one across the room as you draw it, now what is the probability that at least one of them was red? It is equally probable that two marbles are of the same colour as the two marbles of different colour (that is the probability that they are both red or both white is the same as they are different). At the end of the day, one child has four less than half the marbles. The third child has one third of what the first child has and the fourth child has one less than the third child. Two marbles are drawn, but the first marble drawn is not replaced. What is the probability that you do not pick two green marbles? If one marble is randomly drawn from the box and replaced, then a second marble is randomly drawn, what is the probability that the marble drawn both times will be striped? What is the probability that each box contains two marbles? The quartz does not have as much movement as real granite does. It is just hard to really get a feel for the surfaces on a 3 x 3 inch square. When we were trying to decided which way to go, we checked out our friends’ new black granite counters. It does wipe clean easily with windex or 409 but you may not want the work. It showed every bit of dust and fingerprints within minutes of cleaning. It also depends on if you are looking for an almost solid black or black mixed with other colors. Of course, it’s hard to get a read based on just a 3″x3″ sample, so you may need to find showrooms where your proposed colors are displayed on a larger scale. You need to find something that wouldn’t show the prints, and dust. Although very striking, they showed every fingerprint, crumb, etc. The pattern is small, which is what we wanted, but has enough small speckles of browns and cream to keep it from showing every spot, crumb and fingerprint. We currently live in a house with black speckled formica kitchen counters & it isn’t bad at all. We have a dark cambria that shows a lot of marks, smudges and whatnot. I have a light colored quartz and literally have to feel to find spills. Honed quartz will show more streaks, especially with a dark color. I wanted something reminiscent of a formica pattern but with more durability, and this fit the bill. I wanted dark/black but didn’t want to deal with every smudge. I have to work to find those dratted spills to clean them up.

Marble Maintenance: How To Clean Marble Answers by countertopspecialty.com

Purchase our comprehensive ebook guides and become a marble maintenance wizard! Each one focuses on one specific granite & marble maintenance issue. It’s called “etching” and can cause a lot of panic and frustration. When, where and how to properly seal your granite, marble & travertine depends on several variables. There is just a ton of confusion swirling around the topic of cleaning marble. Endless incorrect advice and many myths about cleaning marble (and granite, travertine, etc.) circulate around the internet and the industry too! But once you have the proper knowledge, it’s simple to keep your marble, travertine and limestone in beautiful condition. So, proper knowledge is the key , but that can be hard to come by unfortunately.