In fact, a substantial percentage (often as many as 10 percent) of the sentences in first-rate writing begin with conjunctions.

Many commercial glass products such as containers are made of soda-lime glass, and therefore have a substantial percentage of sodium ions in their internal structure.

A substantial percentage of patients regain full continence.

As noted above, instructors are required to get a substantial percentage of 5 evaluations to avoid the threat of unbuckling.

While increasingly replaced by more modern choices, a substantial percentage of cavers still use this method.