10. Where these Regulations require that a particular fitting, material, appliance or apparatus or type thereof, shall be fitted or carried in a ship, or that any particular provision shall be made, the Secretary of State may permit any other fitting, material, appliance or apparatus, or type thereof to be fitted or carried, or any other provision to be made in that ship if he is satisfied after trial thereof or otherwise that such other fitting, material, appliance or apparatus, or type thereof, or provision, is at least as effective as that required by these Regulations.