sifu Archives -
Water Treatment or Distribution Operator Exam – Success
http://www.watersifu.com There are six common mistakes many people make over and over that stop them from passing the state water treatment or distribution exam. […]
Water Treatment Process: Direct and Conventional Filtration
http://www.WaterSifu.com This video will walk you through the treatment process using a direct filtration plant (and explaining conventional treatment along the way) and actually […]