Natural Penicillins. David B. Beta-lactam ring interferes with final stage of cell wall synthesis by binding to peptidoglygan, bacterial enzyme that catalyzes cell wall strength. Bacteriocidal activity against many gram-positive organisms, as well as some spirochetes and fungi. Is susceptible to penicillinase (beta-lactamase).
Superior Syberkleen 2000 Saponifier is formulated for removing flux residues in batch or in-line cleaning systems. Superior Descaler removes mineral deposits that build up in water cleaning equipment over time.
A silicon-controlled rectifier is a semiconductor device that is used as a switch in an electrical circuit. It's a solid state direct current (DC) electronic switch. There is a ton of information including a detailed description of the SCR and a list of applications at the Wikipedia article.