<0.15% <0.30% <2% <0.45%
Answer Discuss in Comment
1 to 5% 0.1 to 0.2% 2 to 4.5% 0.15 to 0.30%
2 to 4.5% 1 to 1.5% 0.1 to 0.2% 0.15 to 0.30%
20% 16% 6% 11%
20-30% 40—50% 30-40% 10-20%
nala sea gravel powder riverbed
rubber based adhesive animal glue starch glue none of the above
cup shake heart shake foxiness rind gall
sap bark pith cambium
doatiness druxiness dry rot wet rot
"Scientists dream about doing great things. Engineers do them."
