Techniques for causing a component loader associated with a hotpatch mechanism to execute a user-mode component which, when executed, creates a user-mode process, thread, or held reference are described herein. The supporting member is grounded and fixed on the shielding member at a position which is farther from the substrate than the shielding member and different from that of the discharge window. The burners are operably fired to heat the furnace so that heat radiates toward the hearth. The bolt has a shaft passing through the passages and a head operatively engaging one of the abutment faces of the side gears. The weight can also be used for other exercise devices. The inspection system and rejuvenationrepair system may be provided as separate modules or may be combined in an integrated unit.