Ключевые слова: advanced, black, bore, break, breaker, brick, build, chipper, coal, color, crash, drill, employee, equipment, experience, experienced, firm, hammer, hand, hold, horizontal, human, image, indoors, male, man, metal, metallic, nozzle, occupation, part, paving, people, perforate, perforator, plugger, pneumatic, power, process, professional, punch, red, rock, skill, strong, tool, wall, work, worker,