Teaching of automotive trade courses, for instance, is sort of totally carried out by certified mechanics in lots of international locations. The auto mechanic has a physically demanding job, often uncovered to extreme temperatures, lifting heavy objects and staying in uncomfortable positions for prolonged durations. They additionally could deal with publicity to poisonous chemical substances.They usually need to quote prices for their customers earlier than commencing work or after partial disassembly for inspection. Their job might contain the repair of a selected half or the replacement of one or more components as assemblies.