The fluid knob on your spray gun can be adjusted to restrict the trigger travel distance so you can always pull the trigger all the way. Partial triggering, however, can be very useful for blending and touching up. Edge Banding: Partially pull the trigger to spray a light coat around the...
But this is wrong. Contrails can fade away, and contrails can persist and spread. It depends on the air they are formed in. Now there are two main reasons why some planes leave trails and some nearby planes do not. The less common reason is that different planes have different engines....