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.
POSSIBLE CAUSES. Cracking of exterior wood or plywood as it expands and contracts in response to changes in temperature and humidity, which is transmitted through the paint. Poor paint penetration, especially on wood with an excessive amount of hard-/flat-grain pattern, which is smooth, hard and nonporous. Poor surface preparation.