Abstract: A string line box tool comprising a chalk line box and a line block integral therewith used for guiding a string line rearward from the chalk line box through a groove in the line block in order to provide a free holding string line for carpentry or construction work. To effect this condition the hook shaped protrusion of the line block will hook onto one end of a work project while the L-shaped metal tab on the free end of the string line will hook onto the opposite end of the work project, the string line being under tension during this condition.

Abstract: A crowbar tool is disclosed for construction use and particularly for carpentry and roofing work. The crowbar tool has an elongated metal bar with a plurality if extraction teeth at one end of the metal bar and a handle to which the opposite end of the metal bar is attached. Attached to the handle, near the attachment of the metal bar, is a hook or angled element which hook or angled element facilitates the removal of shingles, tiles and carpets whereby, during their removal process, they slide over the hook or angled element without being obstructed by the handle. The crowbar tool also has several permanent magnets attached to the handle thereof for picking up loose nails, staples or other small metal objects.

Abstract: An enclosure for electronic components is provided. The enclosure includes an electronics housing that has at least one slot for receiving one or more electronic components. The slot is defined by a plurality of walls. A heat pipe thermal management system is associated with the slot. The heat pipe system includes a heat pipe having a first portion embedded into one of the walls defining the slot for conducting heat from the wall to a second portion of the heat pipe extending out of the electronics housing. At least one cooling fin is carried by the second portion of the heat pipe such that heat from the heat pipe is conducted into the fin and the fin dissipates the heat to the ambient atmosphere outside of the electronics housing.