Half the workers injured on the job are
Safety training handout test

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

Burgers vector is generally parallel to the dislocation line. a)-true b)-false

Modern high speed trains do not have perpendicular expansion gaps where rails are joined end-to-end any more they are mostly welded together but what might happen if there was a spell of particularly hot weather that causes inspection of the tracks?