000 00520nam a22001697a 4500
008 230322b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a658.2:373.622
245 _aPlant maintenance and housekeeping
_c/ Technical Aids Branch
260 _aWashington, D.C.:
_bTechnical Aids Branch
300 _a56p.
490 _aTraining manual
_v85
650 _aBusiness management
653 _aPower plant
653 _aHousekeeping
942 _2udc
_cREF
999 _c12896
_d12896