“Dozer Grader Working. dozers is very important. home-made machine tools in business are the biggest help. tractors, construction sand is used to carry. workers working in the industry. sand making machine is very heavy and strong. dozer, bulldozer, grader, construction, digging, digger, iron, dig, build, heavy, hoe, power, equipment, excavator, machinery, machine, dirt, industrial, work, yellow, industry, vehicle, track, tractor, loader, scraper, back, diesel, shovel, lift, scoop, This company makes large machines. driver’s license is also required for the bulldozer uses. officers, filthy environment çal???yor.i? machines are very expensive. truck is very difficult to use. dozers work every day.