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.
Dirty Welds: To avoid contaminating a weld push the weld away rather than dragging or pulling the weld towards yourself. Be sure to clean the aluminum properly before welding. Wire Burns (MIG): To avoid wire burns near the contact tip throughout the weld, keep an appropriate distance between the weld and the tip. Also, ensure you are using the correct tip sizes, liner, and wire for the particular job.