Search results
Results from the WOW.Com Content Network
Ironworker (or steel erector, often includes welder), erects or dismantles structural steel frames. Structural steel installation is usually crane-assisted. Workers rely on mobile, elevated platforms or scissor lifts. Ironworkers bolt the steelwork together using various tools, power tools and manual tools.
Before this day the job of a welder was only held by white employees. [11] Mobile was previously a place where whites and African Americans could live together, however, as soon as the status quo was threatened whites revolted. Gray said, "But when blacks began to get homes, to buy homes, and to ride in big cars, it turned some people off."
Consumable electrode processes such as shielded metal arc welding and gas metal arc welding generally use direct current, but the electrode can be charged either positively or negatively. In welding, the positively charged anode will have a greater heat concentration, and as a result, changing the polarity of the electrode affects weld ...
A welder is a person or equipment that fuses materials together.The term welder refers to the operator, the machine is referred to as the welding power supply.The materials to be joined can be metals (such as steel, aluminum, brass, stainless steel etc.) or varieties of plastic or polymer.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
The interior of the spot has less heat conducted away, so it melts first. If the welding current is applied too long, the entire spot melts, the material runs out or otherwise fails, and the "weld" becomes a hole. The voltage needed for welding depends on the resistance of the material to be welded, the sheet thickness and desired size of the ...
THE COUNTDOWN: From Charli XCX’s neon-splattered club remix with Lorde to The Cure’s moment of bleary-eyed brilliance 16 years in the making, here are the songs that defined 2024, chosen by ...
The American Welding Society held this location for 30 years before buying its current property in Doral, Florida – only seven miles northwest of the old facility. [ citation needed ] In August 2012 the American Welding Society moved from their longtime headquarters just outside Coral Gables to their current location in Doral.