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