A manual means of changing the operation of an automatically-controlled device or a system.
Each main propulsion engine which can be declutched or which drives a CP propeller is to be fitted with an overspeed...
A colourless, odourless gas which occupies about 20% of the atmosphere. It is essential for support of combustion...
An instrument for determining the percentage of oxygen in a sample of the atmosphere drawn from a tank, pipe or...
A group of thermal cutting processes that separates or removes metal by means of the chemical reaction between...
Thermal gouging that uses an oxygen cutting process variation to form a bevel or groove.
These are man-made chemicals which degrade the ozone layer in the upper atmosphere and which are being phased out...
The ODP of a compound is defined as the ratio of the total amount of ozone destroyed by that compound to the amount...