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Modern bayonets are often intended to be used in a dual role as both a combat knife and knife bayonet. [4] Improvised edged weapons were extensively used in trench warfare of the First World War ; for example, an entrenching tool might be modified to take an edge and be used as a melee weapon.
A laminated steel blade or piled steel is a knife, sword, or other tool blade made out of layers of differing types of steel, rather than a single homogeneous alloy.The earliest steel blades were laminated out of necessity, due to the early bloomery method of smelting iron, which made production of steel expensive and inconsistent.
A variety of blade materials can be used to make the blade of a knife or other simple edged hand tool or weapon, such as a sickle, hatchet, or sword. The most common blade materials are carbon steel, stainless steel, tool steel, and alloy steel. Less common materials in blades include cobalt and titanium alloys, ceramic, obsidian, and plastic.
A sheath knife is a fixed-bladed knife that fits into a sheath, by tradition usually of leather, now often of other material such as nylon or kevlar. The sheath is used to protect the knife and act as a carrier. Most importantly, the sheath protects the person carrying the knife (e.g. in the pocket or hanging on the belt) from potentially ...
A hydraulic guillotine shear. The machine used is called a squaring shear, power shear, or guillotine. The machine may be foot powered, less commonly hand powered, or mechanically or hydraulically powered. It works by first clamping the material with a ram. A moving blade then comes down across a fixed blade to shear the material.
Snips, also known as shears, are hand tools used to cut sheet metal and other tough webs. It is a cutting tool. Workers use various types of snips, with the cutting edges being straight or curved to various degrees. The style of edge employed will depend if a straight sheer or some type of shapes cut is necessary.
Blade shears, typically used for shearing animals; Grass shears, for lawn trimming; Kitchen shears, scissors used in the kitchen for food preparation; Pinking shears, scissors the blades of which are sawtoothed instead of straight; they leave a zigzag pattern instead of a straight edge; Pruning shears, for cutting branches and stems; Snips, for ...
The kyoketsu-shoge (Japanese: 距跋渉毛, lit. "long-distance wandering hair" [1]) is a double-edged blade, with another curved blade attached near the hilt at a 45–60 degree angle. This is attached to approximately 10 to 18 feet (3–5 m) of rope, chain, or hair which then ends in a large metal ring.