Metal and hollow Competition boules for adult competition are 70.5 to 80 mm in diameter, and in the weight range of 650 to 800 grams (about 2 or 2.5 pounds).
a-everything b-never c-only on some occasions
Although the modern Olympic Games was established for competition by amateurs, full professionals began to be admitted. One of the last sports to be fully amateur in the Olympics accepted professionals in the 2016 Games. Which one was this?
