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Although the traditional boat hook is still available, various different materials, such as aluminium and even a rolled up polymer are now available. [3] Although the boat hook is a general purpose reaching and holding-off tool on boats, there are more specialised forms, such as the Recovery Pole [4] designed for length rather than the rigid strength of a boat hook.
Also known as a ceiling hook, the pike pole is the 'hook' referred to in 'hook and ladder' truck. [1] Although modernized to be made of more durable materials such as fiberglass, the overall design and functionality of a pike pole has remained relatively unchanged despite many other advances in overhaul operations, including positive pressure ...
This kind of block makes a loaded line easier to hold by hand, and is sometimes used on smaller boats for lines like main and jib sheets that are frequently adjusted. A single, large, sail-powered warship in the mid-19th century required more than 1,400 blocks of various kinds.
These alloys are used for boat building and shipbuilding, and other marine and salt-water sensitive shore applications. [70] 5052 aluminium alloy; 5059 aluminium alloy; 5083 aluminium alloy; 5086 aluminium alloy; 6061 aluminium alloy; 6063 aluminium alloy; 4043, 5183, 6005A, 6082 also used in marine constructions and off shore applications.
Platycephalus caeruleopunctatus, the bluespotted flathead, drift flathead, Eastern blue-spot flathead, longnose flathead, red flathead, red spotted flathead, sand flathead or yank, is a species of predatory ray-finned fish belonging to the family Platycephalidae, the flatheads. [1]
A pelican hook is a piece of nautical rigging hardware It is composed of a hinged link held closed by a circumferential link capable of being released under load. Small examples are held closed by hand while the retaining link is displaced while larger examples are hit with a hammer or sledge hammer [ 1 ] [ 2 ] to release.
A hook is a hand tool used for securing and moving loads. It consists of a round wooden handle with a strong metal hook about 20 cm (8 inches) long projecting at a right angle from the center of the handle. The appliance is held in a closed fist with the hook projecting between two fingers.
The most common type has a single snap hook at one end and a swivel ring at the other, but double ended bolt snaps and single ended snaps with a swivel shackle are also available. There are a few variations on the style of the hook, gate opening and swivel style. [2] The characteristic element of the bolt snap is the bolt action gate.