Complex sentence: Simple improvements to the terracing occurred during the 1980s, but the next major improvement was the building of a new covered main stand in 2000; plastic seats and an electronic scoreboard were added in 2002, and artificial turf was installed in October 2005.
Split into simpler sentences: Simple improvements to the terracing occurred during the 1980s, but the next major improvement was the building of a new covered main stand in 2000. Plastic seats and an electronic scoreboard were added in 2002 and artificial turf was installed in October 2005.