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.
But does it have to? The basics: a traditional espresso shot usually involves approximately 18 to 20 grams of espresso, with water extracted through it at high pressure to yield around 30 grams of liquid. Your local fancy-pants shop may well draw you a shorter shot, i.e. one with even less volume.