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.
Plastic welds are very similar in appearance to metal welds and many of the same welding techniques are used. Note that the edges of the parts to be welded are beveled. This is important to make a smooth weld. The following drawings show the various types of common welds.