The principal innovation produced by the revivals was the camp meeting.

Its principal innovation was a novel use of several EGA hardware features to perform the scrolling in hardware.

The principal innovation, aside from technical advances in the vineyards and cellars, has been a dedication to the riesling grape.

The principal methodological innovation is seeing theology from the perspective of the poor and the oppressed.

The principal innovation of Roslin in regards to ornaments within canon tables is the addition of bust portraits.

The company's principal innovation was a software product known as The Information Bus (abbreviated as TIB), which transfers vital data between software programs.

He began to write in long lines, something many critics consider the principal innovation of his poetry.

Allow me to highlight the principal innovations introduced by this recommendation.

Barry's principal innovation was the addition of a tower to the west wing, which was required for water storage.

From a passenger point of view there are three principal innovations.