Safety goggles or glasses are NOT normally worn when（）.<br>A:using a rotary grinder with an installed shield<br>B:letting go the anchor<br>C:handling wire rope or natural fiber line<br>D:painting with a spray gun

Safety goggles or glasses are NOT normally worn when（）.
A:using a rotary grinder with an installed shield
B:letting go the anchor
C:handling wire rope or natural fiber line
D:painting with a spray gun

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