The latter Portion of the twentieth Century observed the introduction of much more stringent boiler production expectations, particularly in relation to welding technology and inspection, as well as evolution of digital Manage systems that now offer an unsurpassed level of reliability. The fashionable, micro-processor dependent, significant-integrity, "Boiler Command System" (BCS) https://sergioashvj.madmouseblog.com/6779654/present-day-packaged-boiler-operation-servicing-and-coaching