course 2 : the gloves

The permeation resistance of an identical protective glove can vary from one product to another

The permeation resistance of an identical protective glove can vary from one product to another

The permeation resistance of an identical protective glove can be different according to the noxious substance used.

There is no general-purpose protective glove which protects against all noxious substances. If handling different chemicals, you must therefore use a separate protective glove for each of these products.

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