ABS - American Bureu of Shipping
ABS (American Bureau of Shipping) provides classification, technical, and regulatory services for the marine industry. ABS develops safety rules, guides, standards and other criteria for the design, construction, and survey of marine vessels and structures including all materials, equipment and machinery. ABS certifies companies that provide services, such as measurements, tests, or maintenance, of safety systems and equipment. Additionally, ABS certifies individual materials, components, products and systems used on the vessels through a technical evaluation and survey of manufacturing compliance. ABS is comprised of surveyors, engineers, researchers and regulatory specialists. The rules, guides, and standards are developed by the International Association of Classification and by ABS staff, and they are approved by committees made up of naval architects, marine engineers, shipbuilders, engine builders, steel makers and by other individuals associated with the worldwide maritime industry.
Nacelle - Part of Wind Generator
A nacelle is a cover housing that houses all of the generating components in a wind turbine, including the generator, gearbox, drive train, and brake assembly.
A notable feature now found on some off-shore wind turbines is a large sturdy helicopter-hoisting platform built on top of the nacelle, capable of supporting service personnel and their tools, winched down to the platform from a helicopter hovering above it. Wind turbine rotors are stopped, feathered and locked before personnel are dropped down to or picked up from the platforms.
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