Complex sentence: In each weight division, lifters compete in both the snatch and clean and jerk and prizes are usually given for the heaviest weights lifted in each, and in the overall-the maximum lift from both combined.
Split into simpler sentences: In each weight division, lifters compete in both the snatch and clean and jerk. Prizes are usually given for the heaviest weights lifted in each and in the overall--the maximum lifts of both combined.