Question

Explain in detail the following terms:

1. production of plastic goods.

2. Oil drilling

Answer 1

Ans( a)The term “plastics” includes materials composed of various elements such as carbon, hydrogen, oxygen, nitrogen, chlorine, and sulfur. Plastics typically have high molecular weight, meaning each molecule can have thousands of atoms bound together. Naturally occurring materials, such as wood, horn and rosin, are also composed of molecules of high molecular weight. The manufactured or synthetic plastics are often designed to mimic the properties of natural materials. Plastics, also called polymers, are produced by the conversion of natural products or by the synthesis from primary chemicals generally coming from oil, natural gas, or coal.  

(B)Oil drilling is the process by which tubing is bored through the Earth's surface and a well is established. A pump is connected to the tube and the petroleum under the surface is forcibly removed from underground. Oil drilling is a highly-specialized business that grew into the largest industry on the planet by the early 21st century.