The latter Portion of the 20th Century noticed the introduction of far more stringent boiler production expectations, specially in relation to welding technology and inspection, and also the evolution of digital Management methods that now offer an unsurpassed degree of trustworthiness. The modern, micro-processor based, substantial-integrity, "Boiler Command Program" (BCS) https://garrettwndtj.rimmablog.com/7895696/modern-packaged-boiler-operation-servicing-and-training