Most of the support you can find on-line will be, of course, free. Some of the therapy options will be relatively low in cost. Your range of options is anything from on-line pen-pals, newsgroups and discussion forums, speaking with a therapist on-line, Interactive Relay Chat support groups, and bulletin boards.
Source: *U.S. Bureau of Labor Statistics. Welders join metal pieces by applying enough heat to melt the pieces so that they can be fused into one bond. Because the bond is so strong, welding is used in many industrial applications from airframes to bridges.
Post weld heat treatment (PWHT) refers to heat treatment applied to a material after welding. It is often used to improve the properties of the weldment.