Indy/Life. Eating disorders such as anorexia and bulimia cost the country more than Â£15bn a year, according to the first analysis of the financial effects of the problems.
The centerline crack show on this fillet weld is the result of. low melting point material segregation (or segregation weld. cracking). Crater cracking occurs when the welding operator stops welding prior to finishing a pass on a weld joint, leaving a wide, thin depression at the end.
The disadvantage to SMAW is that the slag must be chipped off of the weld after it cools, and can sometimes infiltrate the weld causing weakness. GMAW. GMAW stands for gas metal arc welding. This is also commonly referred to as metal inert gas welding, or MIG welding. In GMAW the electrode is a roll of wire which the welder feeds out of a âgunâ to the work piece. You control the speed of the wire, so you can make long welds without stopping to replace a rod.