The laser for use in {TAIL ~ the laser spot welding} include a solid state laser that can weld and process metals, for example, {HEAD ~ a YAG laser} and a ruby laser 
The laser for use in { TAIL ~ the laser spot welding } include a solid state laser that can weld and process metals , for example , { HEAD ~ a YAG laser } and a ruby laser
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH