Complex sentence: The bogies were of cast steel construction & were constructed by A. E. Goodwin, coil spring suspension was fitted to both the axleboxes & bolster, the axles were fitted with roller bearings.
Split into simpler sentences: The bogies were of cast steel construction & were constructed by A. E. Goodwin. Coil spring suspension was fitted to both the axleboxes & bolster and the axles were fitted with roller bearings.