The process 14 wherein the wax impregnant is selected from {HEAD ~ at least one member} of {TAIL ~ the group} consisting of animal, vegetable and synthetic waxes 
of
The process 14 wherein the wax impregnant is selected from { HEAD ~ at least one member } of { TAIL ~ the group } consisting of animal , vegetable and synthetic waxes
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH