The attachment to the tops and bottoms only of cylinders by welding of neckrings, footrings, handles, bosses, pads and valve security rings is approved supplied that this kind of attachments and the portion of the container to which they are hooked up are made of weldable metal, the carbon written https://judahktbks.prublogger.com/26949759/getting-my-bar178-slot-to-work