Dilute the product with 10% of concentrate. Apply on the surface with a sprayer and using two towels wipe the soiled area with one and use the second towel to buff to a shine.
(See video of DEXTAIR ^TM cleaning an APU exhaust unit).

Dilute the product with 10% of concentrate. Rinse surface with fresh water and than apply Dend Dextair with a wash mit or a brush and agitate. Rinse with fresh water.
If the product dries on the surface, simply rinse or agitate with a wash mit or a brush and rinse

Dilute the product with either 10% or 15% of concentrate. Apply on the wheel or landing gear with a sprayer. Agitate with a brush or sponge and wipe clean using the two towel method.
(See video of DEXTAIR ^TM cleaning a wheel).

Dilute the product with 3% of concentrate. Apply with a sprayer over the surface. Wipe with a clean cloth.

3% Interior cleaning
10% General Cleaning
15% Heavily soiled areas