Wipe away all loose dirt and moisture from the pipe O. D. and fitting I. D. with a clean, dry cotton rag. DO NOT ATTEMPT TO JOIN WET SURFACES.

用清洁干燥的面质布擦去管道外径和管件内径上所有松垮的污垢和湿气。不要试图连接潮湿的表面。

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Rag paper The finest grade of paper made exclusively from rag or cotton fibre; if only partial, the percentage of rag is stated on the label.

用布碎或棉布纤维造成的最优质纸张；若布浆只占一部份，它的百分率要写在标签上。

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Rag paper: the finest grade of paper made exclusively from rag or Cotton fibre; if only partial, the percentage of rag is stated on the label.

布浆纸：用布碎或棉布纤维造成的最优质纸张；若布浆只占一部份，它的百分率要写在标签上。

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