Sinus infection is the leading cause of yellow-colored mucus. The sinuses are more prone to infection due to its role in keeping the air that enters the body clean and moistened. It also creates a lot of mucus to catch particles, bacteria and viruses that may harm the sinuses and the entire body.
Convert your existing sliding door into a fully automatic door! Autoslide is an automatic sliding door system which is attached to existing manual free running patio, internal and sliding screen doors, to enable the door to open and close automatically. No more pushing or pulling of the doors.
Basic Operation. 1  Hydraulic Door Closers close a door automatically at an adjustable speed. 2  A Door Closer is usually mounted at the top of a door or above it on the jamb. 3  An internal Spring applies force to the Arm to close the door.  Spring strength and adjustment (if any) varies by model.