gutter cleaning required. like ⋅ pin to ideaboard ⋅ share ⋅ comment sign in or register to comment bathroomware house updated an album d d + bathroom showers & shower screens like ⋅ ⋅ pin to ideaboard ⋅ share ⋅ comment sign in or register to comment bathroomware house updated an album d d + bathroom taps...
in primary sedimentation tanks, sedimentation is used to remove suspended solids (raw sludge) from wastewater. fats and oils floating on surface are also removed here. raw sludge that was removed is then directed to the sludge treatment process. chemical and biological treatment adding special water...