Original sentence: In one common training method, the technique involves progressively lifting increasing amounts of weight, and uses a variety of exercises and types of equipment to target specific muscle groups.Weight training using a low number of repetitions and relatively high weight is primarily anaerobic, while using lower weights and higher repetitions can be substantially aerobic
Edited sentence: The technique involves progressively lifting increasing amounts of weight, and uses a variety of exercises and types of equipment to target specific muscle groups.Weight training is usually an anaerobic form of exercise