skilled technician worker servicing heavy tractor pivot joints and steering linkages, greasing mechanical bearings to reduce wear and ensure smooth steering on outdoor worksite. - greasing bearing stock videos & royalty-free footage00:07Skilled technician worker servicing heavy tractor pivot joints and steering linkages, greasing mechanical bearings to reduce wear and ensure smooth steering on outdoor worksite.
title "sports endurance tests" superimposed over shot from boat of swimmer in the english channel / swimmers on shore at night / man greasing up... - greasing bearing stock videos & royalty-free footage00:48Endurance swimmers leave Cap Gris Nez in France and swim across English Channel in third International Channel swimSailor, Portuguese Culture