The ends of the beams may be modified to form {TAIL ~ joints} which are used to connect {HEAD ~ two beams} together or to connect the beam to another construction material 
The ends of the beams may be modified to form { TAIL ~ joints } which are used to connect { HEAD ~ two beams } together or to connect the beam to another construction material
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH