He also invented the sky lobby for high rises and helped in initiating the widespread usage of computers for structural engineering.

And so for a while, it appeared gas lighting would retain its widespread usage.

Although this approach solved the problems inherent in previous attempts at this technology, it did not gain widespread usage for other films.

He also noted however that its widespread usage might have led to it becoming a purely decorative device with no real symbolic importance.

In this sense, mangonel had poorer accuracy than a trebuchet (which was introduced later, shortly before the discovery and widespread usage of gunpowder).