In electrical engineering class of accuracy is a figure which represents the error tolerance of a measuring device.

Any member of the technical staff of the classification society. The primary task of classification society surveyors is to survey in order to maintain the standards of construction and condition of ships and machinery...

Classification certificates are issued for a period known as the class term or the term. The first term starts from the date of the initial classification survey.

The assigning of class to merchant ships according to certain rules established by aclassification society.

Certificates for hull, machinery installations, boilers, automated installations, etc, issued by a classification society to confirm the class of the ship.

The process of class assignment starts with the application made by the owner or the builder. The documents relevant to the class applied for are submitted for the review of the society.

Usually non-profit organizations originally introduced to protect the interests of shipowners and cargo owners and their insurers to ensure that the ship and its cargo will safely reach their destination.

A covering used to prevent the radiation or conduction of heat, e.g. boiler casing.

The Clean Air Act is a United States federal law which limits national air pollution.

Energy that is produced from sustainable resources and has zero environmental impact.

The Clean Energy Ministerial is a high-level global forum to promote policies and programs that advance clean energy technology, to share lessons learned and best practices, and to encourage the transition to a global clean energy economy.

Clean Tech Law contemplates a diverse set of legal and policy issues related to the development and commercialization of clean technology.

Clean technology is any process, product, or service that reduces negative environmental impacts through significant energy efficiency improvements, the sustainable use of resources, or environmental protection activities.

A device which offers a clear area in a bridge or wheelhouse window in foul weather. It consists of a glass disc supported on its centre by a bearing and actuated by an electric motor.

A vessel has clearance when official permission is given by the authorities to leave port.

1. A fitting having two arms or horns around which ropes may be made fastened.

A pin that secures the final link of the anchor chain to the ship structure within the chain locker. Removal of this pin enables an emergency release of the anchor and chain.

Climate change includes both global warming driven by human emissions of greenhouse gases and the resulting large-scale shifts in weather patterns.

Climate change mitigation consists of actions to limit global warming and its related effects.

Climate classification is a way of categorizing the world's climates.