During the hour, she also watched the television, which is made in part from petroleum. The American economy is strongly tied to the success of the oil industry. In addition to its use in the manufacturing of the products mentioned above, petroleum is collectively the largest source of energy in the United States. Although petroleum has an immense impact on our daily lives, it often goes unnoticed. The connection can more easily be seen if one understands what petroleum is and how it is generated and refined.
Personal transportation is truly a marvel of the twentieth century. . .
Roller coasters can exert G forces greater than one. . . Virtual images are superimposed on views of the real world. . . A feeling that many describe as one similar to flying . . . A bar code is a printed series of parallel modules . . . It plays a crucial role in the operation of computers . . .