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.
1 Seven grams of grounds are used to make a 25-ml shot of espresso (this comes to 280 g/L, but the amount of water used is actually more than 25 ml because some stays with the grounds). 2  Espresso has about 212 mg caffeine per 100 g as compare to around 40 mg per 100 g of normal coffee.