driver safety/nmn

11.   The barrier is being used at a major racing facility for the first time in an effort to improve driver safety.

n. + safety >>共 317 个
food 10.56%
air 5.20%
school 4.00%
fire 3.69%
road 3.43%
aviation 3.22%
airline 2.96%
gun 2.96%
workplace 2.86%
worker 2.76%
driver 0.57%
driver + n. >>共 295 个
license 8.89%
standing 4.00%
error 3.56%
fatigue 2.37%
hostage 2.07%
education 2.07%
behavior 2.07%
union 1.78%
safety 1.63%
program 1.63%
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