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The zax (also called a sack or sax [6]) is a hand tool for cutting, trimming, and punching nail holes in slate. It consists of a heavy rectangular knife blade with a large point, of square cross section, protruding from the poll (or butt). The blade edge is used to split slate, while the point is used to pierce square holes for mounting the ...
The edges of the hole may be flanged to increase the rigidity and strength of the component. [1] The holes can be circular, triangular, elliptical, or rectangular and should have rounded edges, but they should never have sharp corners, to avoid the risk of stress risers, and they must not be too close to the edge of a structural component. [2] [3]
the mortise hole, and; the tenon tongue. The tenon, formed on the end of a member generally referred to as a rail, fits into a square or rectangular hole cut into the other, corresponding member. The tenon is cut to fit the mortise hole exactly. It usually has shoulders that seat when the joint fully enters the mortise hole.
A chain mortiser used in timber framing. For cutting larger mortises such as those used in timber frame construction, chain mortisers are commonly used. A chain with cutters (similar to a chainsaw chain) rotating within a frame clamped to the work is successively plunged into the workpiece to mortise out the required volume.
Guillotine cutting is the process of producing small rectangular items of fixed dimensions from a given large rectangular sheet, using only guillotine-cuts. A guillotine-cut (also called an edge-to-edge cut ) is a straight bisecting line going from one edge of an existing rectangle to the opposite edge, similarly to a paper guillotine .
Officials said smugglers have also repeatedly scaled and climbed over the walls with makeshift ladders, particularly in areas near San Diego.
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