| http://www.w3.org/ns/prov#value | - ers, rakes, etc. - Will clean and prepare sites, dig trenches, set braces to support the sides of excavations, erect scaffolding, and clean up rubble, debris and other waste materials. - May assist other craft workers. - Clean or prepare construction sites to eliminate possible hazards. - Dig ditches or trenches, backfill excavations, or compact and level earth to grade specifications. - Load, unl
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