1.   All men on site will be required to wear hard hats and safety boots at all times within the designated areas.

2.   They reckoned that my extra weight had protected my heart, and I was also wearing heavy, rubber-soled safety boots.

3.   Goggles, respirators, safety boots and helmets are mandatory.

4.   In that case buy a pair of safety boots and a hard hat and throw it in the back seat of the crew cab.

n. + boot >>共 166
rubber 15.65%
leather 9.86%
work 8.61%
ankle 5.16%
army 3.29%
snow 2.82%
platform 2.19%
suede 1.88%
car 1.56%
lace-up 1.56%
safety 0.94%
safety + n. >>共 393
standard 5.97%
concern 4.85%
measure 3.94%
board 3.27%
issue 2.85%
regulation 2.66%
rule 2.61%
problem 2.56%
reason 2.49%
official 2.31%
boot 0.06%
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