caucasian carpenter man shows example to his african american co-worker for using electrical saw to work with timber in factory

african american builder business carpenter carpentry caucasian co-worker construction craft craftsman designer diy ehandmade electrical factory furniture hand handcraft handyman hobby home industry job joiner joinery man mark master measurer pencil people production profession professional quipment renovation shows smart table timber tools top view women wood wooden woodwork woodworker woodworking work workbench worker workplace workshop