Spotting abnormal tire wear and correcting the cause can significantly extend tire life. Normally, tires will wear evenly across their surface until they reach the wear bars, which are 2/32nds of an inch above the bottom of the tread. When the tires are worn to the wear bars, they should be replaced.
One shot (1.5 ounces) of espresso has about two tablespoons of coffee (about 1/4 ounces). For best flavor, one shot of espresso, or two tablespoons of coffee, should be used to make 6 ounce of coffee drink. Likewise, a 12 ounce coffee drink will taste best with two shots of espresso.
Ask for a doppio only if you're ordering a plain double shot of espresso. If you are ordering an espresso drink (a latte or capuccinno) with two shots, ask for a double or two shots. A number of drinks on the Starbucks menu are made with espresso shots. A shot is about 75mg of caffeine. You may hear the term pulling a shot thrown around. Pulling is a barista's way of referring to how the espresso is brewed by the machines. Starbucks stores use automatic espresso bars.