A device for the quantitative analysis of debris 1, wherein {HEAD ~ said conveyor belt} is provided with {TAIL ~ containment sidewalls} , integral thereto and placed on both sides along their whole length, and defines an upper or debris collection surface and a lower surface 
is provided with
A device for the quantitative analysis of debris 1 , wherein { HEAD ~ said conveyor belt } is provided with { TAIL ~ containment sidewalls } , integral thereto and placed on both sides along their whole length , and defines an upper or debris collection surface and a lower surface
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL 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 OTH