Payne's process
A lack of precision or exactness; poor accuracy.
plural of Wingert
A process for preserving timber and making it incombustible by impregnating it successively with solutions of iron sulfate and calcium chloride in vacuo.
plural of dean
修復チームは歴史的な梁を保護するために、鉄硫酸塩と塩化カルシウムの溶液を真空中で順次含浸させて木材を保存し不燃化する処理を推奨した。
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