4K Worker applies adhesive substance onto pipe threading industrial viscous careful trowel movement ensures tight secure mechanical 股票视频 Worker applies adhesive substance onto pipe threading industrial viscous careful trowel movement ensures tight secure mechanical 股票视频
4K A worker applies gypsum plaster to interior walls using a plastering machine mechanized process of plastering walls during 股票录像 A worker applies gypsum plaster to interior walls using a plastering machine mechanized process of plastering walls during 股票录像
4K In a local home worker applies plaster to wall using trowel the task involves smoothing surface for clean finish 股票录像 In a local home worker applies plaster to wall using trowel the task involves smoothing surface for clean finish 股票录像
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