Do not stand a ladder on loose material or lean it against fragile material.

不要将梯子安放在松软或靠在易塌的物件上。

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Remove rust, mill-scale and other loose material by abrasive blasting or power tool cleaning.

用喷砂或其他电动工具除去铁锈、氧化皮等。

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The coating surface must not have the fat, the dust dirty and the loose material, the newly built wall needs fully bone dry.

需上漆的表面要无油脂、尘污和松散物质，新建的墙壁需充分干透。

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Hecla has received approval from MSHA to remove the loose material from the shaft, said Phillips S. Baker Jr.

FORBES: Hecla Officials Anticipate Clean-Up Of Mine Shaft Can Begin In Few Weeks

Let me just quickly say, at the current pace, the president will not secure the loose material in the Soviet Union, former Soviet Union, for 13 years.

NPR: Transcript of Presidential Debate

Food inspectors, air-traffic controllers, specialists who track down loose nuclear material wouldn't get their paychecks.

WSJ: Noonan: His Terms Are Always Hostile Ones