000			01061nam a2200253 4500
001			00506834
003			PWmBRO
005			20240602102750.0
008			850913s1981 dcua j a o0010 eng l
020			_a0870443348
090	0	0	_b670/H847
245	0	0	_aHow things are made.
260	0	0	_a[Washington, D.C.] : _bNational Geographic Society, _cc1981.
300	0	0	_a103, [1] p. : _bcol. ill.
440	0	0	_aBooks for world explorers.
500	0	0	_aPrepared by the Special Publications and School Services Division; writers: Arnold B. Ajello, and others; illustrations: Barbara Gibson.
545	0	0	_aSummary: 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.
650	1	1	_aManufactures.
650	0	0	_aManufacturing processes.
710	2	0	_aNational Geographic Society, Washington, D. C.
942			_2ddc
994			_a001044403 86253 0001
999			_c64673 _d64673