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