Complex sentence: The first noticeable changes were when the LPA grip and terminal were introduced in 2010, replacing the Omega grip, and a new tower design was introduced in 2012 replacing a design used since 1994.
Split into simpler sentences: The first noticeable changes were when the LPA grip and terminal were introduced in 2010, replacing the Omega grip. Also, a new tower design was introduced in 2012, replacing a design used since 1994.