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isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
n4salaryexpert.
Subject Item
isa:271036601
rdf:type
prov:Entity
prov:value
May direct activities of workers who operate and control such equipment as condensers, absorption and evaporation towers, kilns, pumps, stills, valves, tanks, boilers, compressors, grinders, pipelines, electromagnets, and centrifuges to effect required chemical or physical change.
prov:wasQuotedFrom
n4:com
Subject Item
isap:351696458
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isa:271036601