Ключевые слова: blue sky, bulldozer, cleanup, clear sky, construction vehicle, daytime, debris, disposal, disposal site, dump, earthmover, earthmoving, environmental issue, environmental management, equipment, garbage, handling waste, heavy machinery, heavyduty machinery, industrial vehicle, landfill, landfill operations, management, muddy ground, operation, outdoor, pollution, recycling, refuse, sanitation, scavenging, sustainability, tire tracks, trash, waste collection, waste management, waste piles, waste processing,