Routine maintenance on the water cooler coolant, components and pump motor bearings should occur               .

The typical shielding gas flow rate for argon should be set at                          for GTAW.

When using water as coolant in the reservoir,                    should be added to prevent algae growth which will clog the pump. 

Directions: Match the part of the groove weld to its name.

A defect from welding two pieces of metal together caused by too much heat and characterized bydeformation of the base metal is                         . 

The most popular aluminum filler rod is                        . 

For an ER70S-X filler rod, the “70” refers to                      . 

Using a larger filler rod will cool the weld puddle                         . 

Decreasing the amount of taper when grinding your tungsten will                          . 

When welding aluminum, you should use the                        filler rod you can control.