The side walls 47, 38 and back wall 39 of the first pivot mount 40 can be formed by bending {HEAD ~ a piece} of metal to form {TAIL ~ these components} 
to form
The side walls 47 , 38 and back wall 39 of the first pivot mount 40 can be formed by bending { HEAD ~ a piece } of metal to form { TAIL ~ these components }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL