40 Hour Surface Miner Pre-Employment Quiz

出口

题 1 of 1

  剩下的时间


0
2737
0
180
block

Roadways should be atleast ___ feet away from Highwall.

选择正确的答案  

(0/0)














2738
0
120
none
2739
0
120
none
2740
0
120
none
2741
0
120
none
2742
0
360
none
2743
0
300
none
2744
0
240
none
2745
0
120
none
2746
0
120
none