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.
How to Mig Weld Aluminum. Metal inert gas (MIG) welding uses a consumable wire electrode and shielding gas, which is continuously fed through a welding gun. Aluminum requires some specific changes for welders who are accustomed to welding steel. It's a much softer metal so the feed wire must be larger.