"sliding abrasion, chemical attack" could someone give me definition? could someone give definition of these words or synonyms , they concern the durability of the material, I need an exact translation to not make a fool of myself on my defence master's thesis:) and the most wonderful thing would be if someone translated it into Polish:)in too many news we all read about chemical attack, but I don't think so that in this case I don't think that't the point here:) Maybe I should give the whole context "CMC (ceramic matrix composite) material is resistant to sliding abrasion and chemical attack"