{TAIL ~ The supply subsystem} includes a replaceable exterminating liquid reservoir, an electrically driven pump and switch means coupled to a source of electrical energy to selectively energize {HEAD ~ the pump} 
{ TAIL ~ The supply subsystem } includes a replaceable exterminating liquid reservoir , an electrically driven pump and switch means coupled to a source of electrical energy to selectively energize { HEAD ~ the pump }
TAIL 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 HEAD HEAD HEAD HEAD HEAD HEAD