01590     2200205   4500001002100000005001500021035002000036008004100056245001000097100002100107260004300128300002200171020001700193084002100210520109400231082001501325650002301340650001001363990001101373INLIS00000000000562020211130022607  a0010-0721000879211130                           0      1 aGlass1 aSonghurtz, Hazel  aItaly :bWayland Pubhlisher LTD,c1991  a32 hlm. ;c26 cm.  a1-5687-042-8  aR.333.8748 SON g  aRESOURCES GLASS This colorfully illustrated series introduces the world`s most important resources, In easy to read chapters each book shows how a raw material is obtained and processed to make the products people use every day. Plus, fun-to-do projects enable you to learn about these materials firsthand, GLASS Would you have ever guessed that glass is made from sand ? Well, it is! You`ll find out how glass can be crystal clear even though it cqmes from something that is not, Did you know that the bodies of some cars are made from glassreinforced plastic ? That`s right ! Glass can actually be made strong enough to be the body of art automobile. Have you ever wondered what happens to glass when it`s recycled ? You`ll trace the recycling process from collecting bottles in the neighbourhood to melting the glass down for reuse as new products. You`ll also make sbme surprising discoveries-such as how lenses can make things look smaller or bigger. You`ll see how glass is produced, used, and finally recycled in this fascinating guide to one of our most important resources.(libra)  aR.333.8748 4aSumber Penghasilan 4aGelas  a018098