- Aresinoussecretionofthelacinsectdepositedontreesandusedinmakingshellac.Aresinouscopalorafossilizedresinofthesetrees,usedinvarnishesandenamels.Heobservedthatthemoreresinousthewood,themoreresistantitwastodecay.Lightlytoastedpinenuts,withtheirslightlyre...
- 27924