The present invention is directed to an eraser for collecting {HEAD ~ dust}, i.e., chalk dust, released from {TAIL ~ a surface}, i.e., a chalkboard 
released from
The present invention is directed to an eraser for collecting { HEAD ~ dust } , i.e. , chalk dust , released from { TAIL ~ a surface } , i.e. , a chalkboard
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH