It can be prevented by insecticide spraying or preventative dosing with ivermectin. Endophilic mosquitoes are readily controlled by indoor spraying of residual insecticides. Ground spraying produces less pesticide drift than aerial spraying does. The first pesticide used for indoor residual spraying was DDT. Other efforts include those to decrease the fly population by spraying insecticides. Numerous inventions have been developed to facilitate aeroponic spraying and misting. Penetrant may be applied to the test component by dipping, spraying, or brushing. Similar penetrations to that of brushing and spraying processes are achieved. Combustion spraying guns use oxygen and fuel gases. Airport runways are also deiced by sprayers fitted with long spraying arms. People take delight in spraying coloured water on each other. This technique is popular for tasks such as paint spraying. Air gun spraying uses equipment that is generally larger. In 1965, 42% of all herbicide spraying was dedicated to food crops. Eradication can be accomplished by aerial spraying or manual eradication.