| Answer | Crossword Clue |
|---|---|
| KINO | Gum used in tanning. |
| SUMACS | Plants used in tanning |
| SUMAC | Shrub used in tanning. |
| HEMLOCKS | Trees used in tanning |
| SUMAC | Its leaves are used in tanning. |
| TANNATE | Salt of substance used in tanning. |
| ALDERS | Their bark is used in tanning. |
| ALDER | Its bark is used in dyes and tanning |
| ESTER | ... gum (used in lacquers) |
| ESTER | ... gum, used in varnishes |
| GUTTAPERCHA | Gum used in golf balls |
| MASTIC | Resin used in chewing gum. |
| CHICLE | Sapodilla sap used in chewing gum. |
