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The tungsten elements in a bulb that glow to produce light.
Filiform Corrosion (Spidering)
A paint defect caused by moisture ingress between the substrate and the paint film, e.g. via an untreated stone chip, that continues to travel in 'spidery' threads.
Commonly, a heavily pigmented sprayed foundation paint used to fill imperfections and pores in a substrate. To avoid confusion with 'Body Filler', should be referred to as 'Primer-Filler' or 'High-Build Filler'
The connection into the fuel tank for refuelling.
A machined curve between two faces of a component. An example is the curve between a crankshaft web and journal.
A very thin continuous sheet of material. Paint forms a film on the surface to which it is applied.
Film Thickness Gauge
A device used to measure the coating thickness on a substrate. Magnetic devices are used to measure the thickness of ferrous metals; whereas electronic devices are used on non-ferrous substrates.
A fine mesh or paper screen used to remove dirt and other contaminants from a liquid or gas (air).
The gearing immediately before the driven wheels. It provides a split to each driven wheel with a final gear reduction for the transmission. Can also be used to turn the drive through 90° with the use of bevel gears.