A __?__ is an angled surface edge preparation that is placed at the end of the weld joint.

In the Carbon Arc Cutting process, the air stream should come from behind the electrode and between the base metal and the electrode.

150000 mcg=0.015 g

0.035 kg = 35 g.

560 g=0.0056 kg.  

0.003 kg = 30 g. 

7500 mcg=0.075 g 

For a newborn baby 2 kg= 2000 g.

500 mg=0.5 g 

0.075 g = 75000 mcg.