An engine cranking system includes an engine, a cranking motor coupled to the engine and a battery having first and second battery terminals. The fuse storage unit includes a plurality of fuse elements that are made nonconductive by irradiation with a laser beam, and a protective film with an opening directly above the fuse elements to facilitate the laser beam to pass through. 2\u2003\u2003\u03c3\u2267\u22120. The frame can be modular, formed from a plurality of posts and connectors, generally with three posts secured to each connector held angled relative to one another. The proxy platform then determines to initiate a caching of at least a portion of the one or more web resources at the client based, at least in part, on the frequency of access. The wall body has a non-coating surface, which is not coated, on part of a wall body surface which faces the second space.