How things are made.
How things are made.
- [Washington, D.C.] : National Geographic Society, c1981.
- 103, [1] p. : col. ill.
- Books for world explorers. .
Prepared by the Special Publications and School Services Division; writers: Arnold B. Ajello, and others; illustrations: Barbara Gibson.
Summary: Explains how a variety of products--such as kaleidoscopes, baseballs, marbles, matches, toothpaste, light bulbs, and bridges--are made, highlighting the ways in which manufacturing techniques have changed over the years.
0870443348
Manufactures.
Manufacturing processes.
Prepared by the Special Publications and School Services Division; writers: Arnold B. Ajello, and others; illustrations: Barbara Gibson.
Summary: Explains how a variety of products--such as kaleidoscopes, baseballs, marbles, matches, toothpaste, light bulbs, and bridges--are made, highlighting the ways in which manufacturing techniques have changed over the years.
0870443348
Manufactures.
Manufacturing processes.