The spray is powerfull for removeing color, scale . For metal surface color, stain, glue, and carburetor cleaning dirt, etc. Decomposition carbon, resin-like substances and essential oils . Cleaning exhaust gas, and make engine performance strong, save gasoline and reduce oil sperm formation and aggregation. This product has a penetration and rapid decomposition of volatile carbon-scale clean, and so on. Direction of use : Thoroughly clean the surface of objective item or mould , press the finger approoximmately 23-35cm from the object and sprat eventy Caution : Do not dispose of into fire or open flance Do not spray with the can upside-down Do not throw the can even empty one into the fire Please store in a cool and dry place with temperate below 40’c