Section 67(18) in Maharashtra Factories Rules, 1963
(18)The handling in open vessels or manipulation of strong acid or dangerous corrosive liquids or materials, and the operation, maintenance or dismantling of plant or any part of plant being plant or part of plant which contains or has contained such acids, liquids, or materials, unless the plants or part of the plant has been so prepared by isolation, reduction, of pressure, or otherwise, treated or designed and constructed as to prevent risk of injury.
