uss aramis sp-418/py-7 was a yacht acquired by the united states navy during world war i which served as a patrol boat off new york city, was then fitted with an experimental 'underwater detection system' and depth charges as an anti-submarine vessel, and was briefly the flagship of a battleship squadron. she ended her career as a tender and houseboat to a survey vessel off the coast of cuba .
anchor handling tug supply ahts vessels are mainly built to handle anchors for oil rigs, tow them to location, and use them to secure the rigs in place.ahts vessels sometimes also serve as emergency response and rescue vessels errvs and as supply transports.
pressure-sensitive adhesive psa, self-adhesive, self-stick adhesive is a type of non reactive adhesive which forms a bond when pressure is applied to bond the adhesive with the adherend. no solvent, water, or heat is needed to activate the adhesive. it is used in pressure-sensitive tapes, labels, glue dots,.
vigor industrial vigor is an american shipbuilding, shiprepair, and industrial service provider in the pacific northwest and alaska. based in portland, oregon , the company consists of several subsidiary companies for a combined total of seven facilities with ten drydocks , more than 17,000 feet of pier space, and over 2,000 employees.
quaker chemical corporation quaker is an american chemical company that was founded in 1918. it is headquartered in conshohocken, pennsylvania.with its global presence in 21 countries and 35 locations worldwide, the company has over 50% of net sales outside of the united states.
epoxy coatings are also widely used as primers to improve the adhesion of automotive and marine paints especially on metal surfaces where corrosion rusting resistance is important. metal cans and containers are often coated with epoxy to prevent rusting, especially for foods like tomatoes that are acidic.
polyurethane can be used as an adhesive, especially as a woodworking glue. its main advantage over more traditional wood glues is its water resistance. it was introduced to the general north american market in the 1990s as gorilla glue and excel, but had been available in europe much earlier.
animal locomotion, in ethology, is any of a variety of methods that animals use to move from one place to another. some modes of locomotion are initially self-propelled, e.g., running, swimming, jumping, flying, hopping, soaring and gliding.
hms hermes was a conventional british aircraft carrier and the last of the centaur class.. hermes was in service with the royal navy from 1959 until 1984, and she served as the flagship of the british forces during the 1982 falklands war.. after being sold to india in 1986, the vessel was recommissioned and remained in service with the indian navy as ins viraat until 2017.
thiokol variously thiokol chemical corporation, morton-thiokol inc., cordant technologies inc., thiokol propulsion, aic group, atk thiokol, atk launch systems group; finally orbital atk before becoming part of northrop grumman was an american corporation concerned initially with rubber and related chemicals, and later with rocket and missile propulsion systems.
self-healing materials are artificial or synthetically-created substances which have the built-in ability to automatically repair damages to themselves without any external diagnosis of the problem or human intervention. generally, materials will degrade over time due to fatigue, environmental conditions, or damage incurred during operation. cracks and other types of damage on a microscopic .
the sunfish is a personal size, beach launched sailing dinghy.it features a very flat, board like hull carrying a lateen sail mounted to an un-stayed mast.. sunfish was developed by alcort, inc. and first appeared around 1952 as the 'next generation' improvement on their original boat, the sailfish.in contrast, the sunfish has a wider beam for more stability, increased freeboard and the .
epoxy resin: a two-part thermosetting polymer increasingly used in modern wooden boat building variously as an adhesive, filler admixed with other materials , and a moisture-resistant barrier in hull and deck construction, sometimes applied in conjunction with reinforcing cloths such as fibreglass, kevlar or carbon fibre.
cross-deck or cross-decking is naval jargon which may refer to either informal, ad-hoc sharing of resources between naval vessels historical usage , or the use of carrier decks or vessel borne helipads to host aircraft of foreign allies, aircraft from other ships in the same navy, or as re-fueling platforms for naval aircraft to extend flight operations beyond the range of the aircraft type.
a coating is a covering that is applied to the surface of an object, usually referred to as the substrate. the purpose of applying the coating may be decorative, functional, or both. the coating itself may be an all-over coating, completely covering the substrate, or it may only cover parts of the substrate. an example of all of these types of coating is a product label on many drinks bottles- one side has an all-over functional coating and the other side has one or more decorative coatings in a
dressing into a dry suit is usually more time-consuming than a wet suit, and may require the assistance of another person to check the neck seal and close the zipper. in situations where the air is warm but the water cold, a prolonged time on the deck of a boat donning a dry suit and other gear can present a risk of overheating to the diver .