The tubing 50 is provided with downwardly directed apertures 51 at {HEAD ~ intervals} along {TAIL ~ its length} to obtain the spray 52 into the corner at which the walls and the floor meet 
along
The tubing 50 is provided with downwardly directed apertures 51 at { HEAD ~ intervals } along { TAIL ~ its length } to obtain the spray 52 into the corner at which the walls and the floor meet
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH