Complex sentence: A six-bar linkage can also be constructed by first assembling five binary links into a pentagon, which uses five of the seven joints, and then completing the linkage by adding a binary link that connects two sides of the pentagon.
Split into simpler sentences: A six-bar linkage can also be constructed by assembling five binary links into a pentagon, which uses five of the seven joints. The six-bar linkage is then constructed by adding a binary link that connects two sides of the pentagon.