用砂光机、吸尘器刮完腻子后找平墙角。墙面最终打磨。身穿防护服、佩戴呼吸器的建筑工人正在建筑工地上使用

g and sanding corner walls after puttying with a sander and vacuum cleaner. Final sanding of walls in an apartment under construction. A general construction worker in protective clothing and a respirator works at a construction site with a modern sanding vacuum cleaner. Dirty and dusty work at a construction site. The worker works inside the house. High quality 4k footage.