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'''Resin''' is a sticky, liquid substance that usually hardens when exposed to air.<ref>Wile, Dr. Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc. 2000</ref> Hardened resin is used to moisten and sharpen bow hairs for string instruments (i.e. [[viola]], [[violin]], [[cello]], [[double bass]], [[viola da gamba]]).

'''Resin''' is a sticky, liquid substance that usually hardens when exposed to air.<ref>Wile, Dr. Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc. 2000</ref> Hardened resin is used to moisten and sharpen bow hairs for string instruments (i.e. [[viola]], [[violin]], [[cello]], [[double bass]], [[viola da gamba]]).  Synthetic resins are [[plastic]]s, such as [[Bakelite]].

==References==

==References==