Spark test is very best performed by holding the steel stationary and using a high-velocity angle grinding wheel on the steel surface area with sufficient pressure to toss a spark stream of all-around 300 mm prolonged. The equipment wanted for spark test is pretty very simple. The grinding wheel that https://glass-lined-reactor61481.wikibestproducts.com/987575/top_latest_five_owens_illinois_glass_lined_reactor_kimax_urban_news