Talk:Salts in building materials
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Translation copied to the content page Hschwarz 11:30, 20 August 2012 (CEST) SLeithaeuser 12:40, 18 August 2012 (CEST)brought in the gypsum, is that o.k?
Translation copied to the content page Hschwarz 11:30, 20 August 2012 (CEST) SLeithaeuser 12:40, 18 August 2012 (CEST)brought in the gypsum, is that o.k?