automobileindustryworkers bajacalifornia(peninsula) california casestudies childlabor cottonmanufacture employment factories foreignworkers greatbritain history industrialmanagement industrialrelations industrialsociology industries jobsatisfaction machineryintheworkplace management maryland massachusetts metaltrade mexican mexico minesandmineralresources poetry saab-scania(firm) slavelabor socialconditions spinningmachinery springfield sweden textileindustry tortillaindustry unitedstates virginia women workingclass