Complex sentence: A retort stand, sometimes called a ring stand, is a piece of scientific equipment, clamps can be attached to hold other pieces of equipment, such as burettes, commonly used for titration experiments, test tubes and flasks.
Split into simpler sentences: A retort stand, sometimes called a ring stand, is a piece of scientific equipment, clamps can be attached to hold other pieces of equipment. For instance, burettes, commonly used for titration experiments, test tubes and flasks.