The apparatus includes a housing supporting {TAIL ~ an eraser head} and having {HEAD ~ a cavity} in fluid communication with a suction device 
The apparatus includes a housing supporting { TAIL ~ an eraser head } and having { HEAD ~ a cavity } in fluid communication with a suction device
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH