000 00000nam a2200000 a 4500
005 20251203091412.0
100 _aThygerson,Alton L
245 _aEssentials of safety
260 _aPrentice-Hall
_c1986
300 _a99p.
_c22cm.
690 _aSafety
964 _b
_c
_d
_e
_f
_g_
997 _a45160 C
999 _c41003
_d41003