On the contrary, the main alterations were driven by political considerations.

The main alteration to the structure was the addition of a new emergency entrance on the southern side on the Bertoly Street facade.

The main alteration was a further increase in undercarriage track with revised strutting, the uppermost leg having a pronounced knee with wire bracing.

The main alteration is a modern glass-sided and glass-topped flat-roofed extension abutting the original western elevation, giving access to three of the six arches.

The main alteration has been the replacement of the turret with a raised superstructure which resembles the wheelhouse of a boat.

The main alteration was to reduce the diameter of the cylinders to bring them within the range of the boiler's steam generating capacity.

The events held have remained more or less the same since they originated with the main alterations coming in the earlier years.

The main alteration to Standard's Essex frame was at the rear, where the leaf springs were located outboard of the chassis rails, rather than under.

The main alterations to the exterior are to the front grille design and rear bumper and trunk lid.

The main alterations were to the east front.