, an acidic chemical compound from which the tanning process draws its name (tannin is in turn named for an old german word for oak or fir trees, which supplied it). coloring may occur during tanning. a tannery is the term for a place where the skins are processed. tanning leather involves a process...
, an acidic chemical compound from which the tanning process draws its name (tannin is in turn named for an old german word for oak or fir trees, which supplied it). coloring may occur during tanning. a tannery is the term for a place where the skins are processed. tanning leather involves a process...
, an acidic chemical compound from which the tanning process draws its name (tannin is in turn named for an old german word for oak or fir trees, which supplied it). coloring may occur during tanning. a tannery is the term for a place where the skins are processed. tanning leather involves a process...