Best Answer: IMAX is a special kind of theater. Most of the time an IMAX theater is much larger than a standard movie theater. The seats lean back and you watch the movie on a giant screen on the ceiling. It is a really cool experience because it engulfs you and you feel like your actually there. Definitely a good experience.
Silica sand is used throughout the world, and in so many different ways it is hard to imagine a world without it. From water filtration, to glass manufacture, to industrial casting, to sand blasting, to producing concrete, to adding texture to slick roads, silica sand impacts every aspect of daily life.
It is commonly used in machine molding and hand molding. The sand made can be used to pour liquid metal without drying, which has the advantages of low production cost and short production cycle. Wet clay sand used in sand casting production accounts for about 60%.reen Sand (Clay Sand) Clay sand is the mixture of natural silica sand, clay, additives and water. The clay used to make wet clay sand is bentonite clay. The compressive strength is generally 0.05 to 0.1 Mpa.