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.
When it comes to espresso blends arabica coffee beans are recommended and mostly used. Some professional barista's even consider adding a little bit of high quality robusta beans to enhance the crema, usually 10-15%. Proper Dose for 1 shot should be between 7-9 grams, and 14-18 grams for a double shot. 1 oz of Water: