Types:
Additive/Chemical injectors (Anti-icing, Chemical, Colorization, Dye Markers, Electronic, High-pressure, Lubricity enhancers, Metered, Octane enhancers, Odorization-ethyl mercaptain, Piston, Pneumatic), Blending (Two streams up), Chromatograph (Gas, Liquid), Samplers (API/AGA, Crude oil, Gasoline, Natural gas, Water, Automatic or Manual sampling)