Jackman, Wayue text Italy Wayland Ltd 1992 32 hlm. ; 26 cm. GAS 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.GASMillions and millions of years ago, even before there were dinosaurs, gas began to form out of rotted plants in swamps. Today, this gas is one of our most essential resources.You ll learn about the amazing process that created huge pockets of gas below the earth s surface, You ll join geologists searching for gas and learn how it is brought to the surface by giant pumps called Christmas trees. Then, you ll examine gigantic refineries-as large as a small city-that clean the gas and add its distinctive smell. Through words and photographs you will explore the story behind finding, refining, and using gas. Plus hands-on projects enable you to experiment with the properties of gases.Books in the seriesBRICKS *ELECTRICITY* GASGLASS OIL PAPER PLASTICSSTEEL WATER WOOD iwn. Sumber Penghasilan Gas R.333.8 R.333.8 JAC g 1-56847-049-5 211201 20211201100415 INLIS000000000001101 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)