The latter Portion of the twentieth Century observed the introduction of more stringent boiler production standards, specifically in relation to welding technological innovation and inspection, as well as evolution of electronic control methods that now supply an unsurpassed standard of trustworthiness. The trendy, micro-processor centered, high-integrity, "Boiler Manage Program" (BCS) http://newboilergrantstirling59370.ampblogs.com/Modern-day-Packaged-Boiler-Operation-Servicing-and-Training-40427863