MS of Department of Trade and Commerce Trailer School, of men unloading marine engine. CUs of engine, of man putting it together, of instructor explaining purpose of various parts to some fishermen. Interior shots of trailer, CUs of men at work on various parts of marine engine. CUs of their faces, of their hands. Exterior shots of trailer truck, of sign on truck "Department of Trade and Commerce - Fisheries Division - Marine Engine School". Shot of lineman climbing pole to electrical powerline, swish PAN to trailer some distance away.