Technology and labor in copper ore mining, household appliances, and water transportation industries.
Washington, DC : U.S. Dept. of Labor, Bureau of Labor Statistics : 
Copper ores /
Copper ores / United States /
Labor supply > Labor supply / Effect of technological innovations on > Labor supply / Effect of technological innovations on / United States.
Shipping > Shipping / United States > Shipping / United States / Technological innovations.
Household appliances > Household appliances / United States > Household appliances / United States / Technological innovations.
Shipping list no.: 93-387-P.
v, 41 p. :
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