A further workpiece, e.g. a bumper, can then be mounted by engagement between the two head flanges.
Go fitlhela mo letsatsing leno, sejosegolo se sengwe, bupi jwa mmidi, bo tlhagisiwa kwa mannong a mangwe ka go tse dingwe ka go sila mmidi ka maatla magareng ga matlapa a le mabedi.