Toppatoo bis bu nekk ci backing boards dafay laaj matuwaay yuñ méngale ak macceer bi. Dañu wara faral di saytu planche yiñ defaree wen ndax amul xoosu, ba noppi ñu defal ko peinture buy tere xoosu (ñu koy digal jiroom benn weer yu nekk) ngir moytu ñu yàqu ndax oxidation. Planche yiñ defaree dénk dañu wara am humidité bu baax (40-60% RH lañu digal) ba noppi ñu raxas ko luy dàq yoo. Sooy raxas, jëfandikoo detergent bu amul benn pH (pH 6-8) te moytu xoosu kaw gi ak jet ndox mu am pression bu rëy (presioŋ biñ la xelal<50 bar) or hard brushes. Avoid impact loads exceeding the load-bearing limit (e.g., <500 kg/m² for steel). Replace immediately if deformation exceeds 3 mm/m.
