Thus, as shown in FIG 4, {HEAD ~ the distribution subsystem} may include {TAIL ~ branch passages} such as the tubing so fixed, for example, to the edge of floor plate 6; i.e., outside the wall space between wall panels 1 
include
Thus , as shown in FIG 4 , { HEAD ~ the distribution subsystem } may include { TAIL ~ branch passages } such as the tubing so fixed , for example , to the edge of floor plate 6 ; i.e. , outside the wall space between wall panels 1
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH