The document discusses the requirements for pressure vessels under Rule 65(4)(a) of the Karnataka Factories rules. It requires pressure vessels to be fitted with a suitable safety valve or other pressure relieving device set to discharge at a pressure no more than 5% above the maximum permissible working pressure. The document asks a series of yes/no questions to check if these requirements are met. It also addresses requirements for maintenance of registers for hoists and cranes, testing and registration of lifting machines, and conditions for setting on and setting off of allocable surplus amounts under the Payment of Bonus Act.