Currently there are many types of welding machines come from the

220V 1600W Heat Gun with Wide Slot Nozzle Torch Plastic Welding Gun Welder Pistol Flooring Tools : : Home Improvement

For slot welds, the width of each slot is given to the left of the symbol, with the length and pitch provided to the right

slot aba WELDING TOGETHER SECTIONS OF PIPE BY ELECTRICITY SPECIFICATION forming slot , 65 5 , formed in the bed

slot information Fillet Weld Groove Welds Plug Welds and Slot Welds Fillet welds Welders use the fillet weld to make lap joints