commercial wool, vegetable matter is often removed by chemical carbonization. in less-processed wools, vegetable matter may be removed by hand, and some of the lanolin left intact through use of gentler detergents. this semigrease wool can be worked into yarn and knitted into particularly water-resistant mittens...
devices and rubber and plastics hose sic - fabricated rubber products, not elsewhere classified sic - miscellaneous plastics products sic - leather and leather products sic - leather tanning and finishing sic - boot and shoe cut stock and findings sic - footwear, except rubber sic - leather gloves and mittens...