PROTECTION against rusting can bo obtained by more or less permanent coatings such as paints and lacquers but there are many circumstances where these cannot be used. Thus, for example, there is the metal part or sheet which has to be stored until required for the next stage of processing or assembly and which must be protected during this time, and the working parts of the internal combustion engine which must be maintained free from corrosion during non‐running periods. For such conditions we require a temporary protective which can be removed easily when required.
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