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Holdfast is a member which project from the body of door or window frame which holds the window or door frame in walls. Holdfasts are useful when the window and door frames are installed in place at the time of brickwork or blockwork, as those holdfast need to be anchored in wall.
#Holdfast #Holdfast_Detail #Holdfast_In_Door_Frame #In_Hindi
How to fix holdfast
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• Column में Door Frame ...