Complex sentence: Invented in 1913 it became common from the 1920s until the mid 1950s in USA when, power-steering becoming popular when it was mainly replaced by worm and recirculating-ball nut steering--which incorporated ball-bearings.
Split into simpler sentences: Invented in 1913 it became common from the 1920s until the mid 1950s. In USA when power-steering becoming popular in the 1950s it was mainly replaced by worm and recirculating-ball nut steering--which incorporated ball-bearings.