hand of auto mechanic with a wrench.

auto automobile automotive car carparts dieselengine dirty disassembledengine eight employment engine enginediagnostics engineer enginerebuilding enginerepair garage gas hand hood inspection job key labor maintenance male mechanic mechanical motor part people person repairing repairman safety service shop specialtoolsforengines station thecamshaftcover tool transport transportation tuning v8engine vehicle wheel worker working workshop wrench