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work unit tool advancement building industry construction site tool tools build
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Keywords: advancement, arbeitsbhne, auf, bau, baustelle, build, building, construction, convey, crane, der, employee, encumbrances, engineering, grobaustelle, industry, job, labor, laborer, lastkran, lasttransport, operator, site, teleskopstapler, tool, tools, unit, wageworker, work, worker, workers