Home Library Farm Dairy Cow Shed How a stone trap Works How a stone trap Works Quizzes How a stone trap Works MORE VIDEOS IN SECTION Hosing out ( Intro ) The aim of hosing out Grate cleaning Understanding your water operation ( water tank ) Understanding your water operation ( wash down pump switch ) How a tap works Hydro fan nozzle Anchor hose nozzle Hosing out Pt1 Checking overflow on Grates Hosing out ( Hydro fan nozzle ) Final clean up After hosing Shovelling out your Stone trap