Isuzuma ry'umuringa Isuzuma rya Valve rikozwe mu muringa wahimbwe, nanone ryitwa kudasubira inyuma, ryagenewe kugenzura imigendekere ya sisitemu yo kugenzura amazi, amazi ayobowe na disiki kandi atemba yerekeza mu cyerekezo kimwe, akoreshwa cyane mu kuvoma, kuvoma, no mu miyoboro.