wood finishing process wood brings grain pattern consists exposing wood strong solution wood process works best white oak high content wood oak called smoked oak species usually white oak introduction process usually associated american furniture maker beginning twentieth century certainly known europe time process wood placed sealed chamber surfaces exposed freely circulating air large shallow container solution placed floor chamber chamber sealed chamber large long time container provided process time depends required size chamber strength usual oil wood fully bring effect advantages advantage obscure grain unlike possibility runs disadvantage precise process different wood react differently reason wood particular project taken tree boards tree different regions board noticeably different colour consistent colour important better options safety issues solution stronger household enclosed sealed chamber burn skin cause burns eyes lungs operators need wear gas masks gloves eye protection colour relies reacting wood process usually applied white oak wood high content red oak turn greenish deep brown species noticeably white oak depending content effect enhanced non woods applying coat acid surface history accidental discovery england noticed oak boards stored stable caused horse reacting wood end nineteenth beginning twentieth centuries popular furniture makers arts crafts movement technique introduced manufacturing technique perfected mission style furniture line family business described method wooden architecture entire room setting room completely sealing method practical dangerous person placing personal protective equipment available modern workers quickly followed crafts furniture makers community
Ammonia fuming