000			00362nam a22001457a 4500
003			NIELib
005			20251118115818.0
008			251118b |||||||| |||| 00| 0 eng d
082			_a621.8 _bHOW
245			_aHow Machines Work
260			_aNew York: _bHarcourt Press ,
300			_a16 p.; _bcol. ill. _c18 cm
650		0	_aCivil engineering
942			_2ddc _cPR
999			_c162998 _d162998