It is an object of {HEAD ~ the present invention} to provide {TAIL ~ a cleaning device} for removing sludge from elevator ropes without contaminating the hoistway and the machine room 
It is an object of { HEAD ~ the present invention } to provide { TAIL ~ a cleaning device } for removing sludge from elevator ropes without contaminating the hoistway and the machine room
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH