Complex sentence: The coaches behind it are second-hand Tata bus bodies mounted on freight wagon frames and bogies which were initially made for the Mulungushi Commuter train service in Lusaka, which was later taken over by Zambia Railways and renamed Njanji Commuter.
Split into simpler sentences: The coaches behind it are second-hand Tata bus bodies, mounted on freight wagon frames and bogies. These were initially made for the Mulungushi Commuter train service in Lusaka, which was later taken over by Zambia Railways and renamed Njanji Commuter.