Rebuilding automobile engines that have been worn or partially destroyed; rebuilding machines that have been worn or partially destroyed; retreading of tires; repair of tires by vulcanization; vehicle battery charging; varnishing; re-tinning; vehicle washing; rustproofing; anti-rust treatment for vehicles; vehicle maintenance; vehicle polishing; vehicle breakdown repair services; rental of bulldozers; rental of road sweeping machines; rental of cranes for construction purposes; rental of exca...