Screwdriver (cocktail) and orange juice and supposedly invented by interned American fliers"; and in 1949: "the latest Yankee concoction of vodka and orange juice, called a 'screwdriver'". A screwdriver with two parts of Sloe gin, and filled with orange juice is a "Slow (Sloe) Screw". A screwdriver with two parts of Sloe gin, one part of Southern Comfort and filled with orange juice is a "Slow Comfortable Screw". A screwdriver with one part of Sloe gin, one part of Southern Comfort, one part Galliano and filled with orange juice is a "Slow Comfortable Screw Up Against The Wall". A screwdriver with one
Orange juice the finished orange juice flows through blending tanks where the juice is tested for acid and soluble solids. At this stage, sugar can be added to the juice depending on if the product will be a sweetened or unsweetened beverage. Following blending, the orange juice is deaerated where the air is incorporated into the juice during extraction. The benefits of deaeration include the elimination of foaming, which improves the uniformity of can fill and improvement regarding the efficiency of the heat exchanger. Orange peel oil is essential for maximum flavor, but according to U.S. standards for Grades of Canned Orange