Institute of Corrosion (icorr)
The 'Institute of Corrosion' membership, is recognised as being the lead training body for those interested in becoming a Paint Inspector being one who monitors the application of Paint/Coating systems in the prevention of metal corrosion.
Spray gun nozzle which combines air and fluid before leaving gun. 
Intumescent
Flame or fire resistant coatings which increase in volume on heating.
https://www.youtube.com/watch?v=_Rh4C3FpJ8o
Ketones
Organic solvents the most common ones being acetone-dimethyl ketone – MEK methyl ethyl ketone – MBK methyl isobutyl ketone.
Key
A term used to express the degree of preparation used enabling a coating to adhere to the surface.