Turntable speed / pitch / RPM. Vinyl records are manufactured to be played back at a certain speed. Most 12 inch (diameter) long-play records are played back at 33 1/3rd revolutions per minute. Most 7 inch records require 45 RPM.
Jicama is a large, bulbous root vegetable. A bulb may weigh one or two pounds and has a rough 'n' tough brown skin which should be peeled before eating or cooking.
Macronutrients and Calories. One cup of jicama, amounting to about 4.6 ounces, contains just 49 calories and virtually no fat. Jicama are mostly carbohydrates--offering 11.47 grams per cup. Jicama is not a significant source of protein, with just 0.94 grams of protein per cup.