Complex sentence: BH Fitness began in the 1960s when BH Group saw a need for fitness equipment since then BH Fitness has grown and become a producer of multiple fitness lines that include BH Fitness, BH Hi Power, BH Strength, and BH Vibration.
Split into simpler sentences: BH Fitness began in the 1960s when BH Group saw a need for fitness equipment. Fitness lines include BH Fitness, BH Hi Power, BH Strength, and BH Vibration.