Author Question: Use of a laser cutting beam exposes the operator to secondary radiation. Indicate whether the ... (Read 61 times)

pane00 · **on:** Jul 27, 2018

Use of a laser cutting beam exposes the operator to secondary radiation.

Indicate whether the statement is true or false

Question 2

Which of the following contains a tungsten insert?

A) Fasteners used on the welder's jacket
B) Check valves that are inside the flashback arresters
C) Brass punches for the paper punch
D) Electrodes used in the plasma arc torch
E) None of the above