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The typical pitchfork consists of a wooden shaft bearing two to five slightly curved metal tines fixed to one end of a handle. These are typically made of steel, wrought iron, or some other alloy, though historically wood or bamboo were used. Unlike a garden fork, a pitchfork lacks a grab at the end of its handle.
A digging fork, or grape, not referred to as a spade, is forked much like a pitchfork, and is useful for loosening ground and gardening. The fishtail spade has a flared triangular blade combining the versatility of the dutch hoe and power of the common round point shovel into a multipurpose tool. Small spades are made as toys for children.
Garden rakes typically have steel teeth and are intended for heavier use in soil and larger debris. They have long, stiff teeth which must be able to withstand abrasion and bending forces. Bow rakes are a subset of garden rakes which separate the handle and bar with a bow-shaped extension which allows the flat back of the bar to be used for ...
A mattock has a shaft, typically made of wood, which is 3–4 ft (0.9–1.2 m) long. [1] The head consists of two ends, opposite each other and separated by a central eye. A mattock head typically weighs 3–7 lb (1.4–3.2 kg). [1] The form of the head determines the kind and uses of the mattock: [2]
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and it is seen that the output drive is just 90 degrees out of phase with the input shaft, yielding a constant-velocity drive. NOTE: The reference for measuring angles of input and output shafts of universal joint are mutually perpendicular axes. So, in absolute sense the forks of the intermediate shaft are parallel to each other.
From electronics to medications, here's a list of things you shouldn't leave in your car as freezing temperatures blast most of the U.S.
The ard remained easy to replace if it became damaged and easy to replicate. [ 19 ] The earliest was the bow ard, which consists of a draft-pole (or beam) pierced by a thinner vertical pointed stick called the head (or body), with one end being the stilt (handle) and the other a share (cutting blade) dragged through the topsoil to cut a shallow ...