Wormy wood?
D001149:Arsenates / Q000737:chemistry / Q000592:standards* / Q000633:toxicity*; D017608:Chromium Compounds / Q000737:chemistry / Q000633:toxicity; D003247:Conservation of Natural Resources; D003300:Copper / Q000737:chemistry / Q000633:toxicity; D004785:Environmental Pollutants; D006801:Humans; D011312:Pressure; D018505:Waste Management / Q000331:legislation & jurisprudence*; D014934:Wood
D001149:Arsenates; D017608:Chromium Compounds; D004785:Environmental Pollutants; D003300:Copper