Timber preservatives.
D000485:Allergens; D001149:Arsenates / Q000494:pharmacology; D002840:Chromates / Q000494:pharmacology; D003300:Copper / Q000494:pharmacology; D003407:Creosote / Q000494:pharmacology; D005404:Fixatives / Q000494:pharmacology*; D014934:Wood
D000485:Allergens; D001149:Arsenates; D002840:Chromates; D005404:Fixatives; D003300:Copper; D003407:Creosote