water utility companies, their appointed contractors and to the construction supply chain. contact us plasson uk ltd plasson house, albert drive, burgess hill, west sussex, rh tn tel: ( ) fax: ( ) electrofusion fittings couplers & end caps elbows tees flanged fittings saddles transition fittings valves...
water utility companies, their appointed contractors and to the construction supply chain. contact us plasson uk ltd plasson house, albert drive, burgess hill, west sussex, rh tn tel: ( ) fax: ( ) electrofusion fittings couplers & end caps elbows tees flanged fittings saddles transition fittings valves...
valves control the flow of blood out of the ventricles. the image below shows the chambers and valves of the heart. circulation through the body the purposes of blood are to deliver oxygen and nutrients to tissues and organs and to carry away waste products. there are actually two loops of circulation...