we recommend immediate repairs begin. bricks or slump stone may discolor due to moisture. the white powdery substance which appears is known as "efflorescence" and is composed of one or more soluble salts. it can be removed by scrubbing with a stiff brush and a solution of one part vinegar to four parts...
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controllers and chillers. we exert ourselves to research and develop new products and improve our quality to be on a par with other famous manufacturers in the world, yet just with lower prices . in the face of the growing demands on our products in china , we founded a factory in guangzhou. as the main parts...
controllers and chillers. we exert ourselves to research and develop new products and improve our quality to be on a par with other famous manufacturers in the world, yet just with lower prices . in the face of the growing demands on our products in china , we founded a factory in guangzhou. as the main parts...