A more primitive design had appeared in Undersea Kingdom.

The K-pattern flamethrower appeared a successful weapon, considering its primitive design and conditions of manufacturing.

More primitive designs keep the tree's original dimensions, with a round bottom.

Most lack any form of a suspension and the ones that do feature a suspension have very primitive or rudimentary designs.

Nice light but a more primitive, simple design.

The original course was of a rather primitive design, reflective of the early era of golf.

The front suspension, a primitive design called a sliding pillar system, dates to Morgan's first car, a three-wheeler from 1910.

The Blackbirds engines are of a more primitive design than the rest of the fighters.

For all their primitive design, the right sort of chemical-powered guns could be far more lethal.

He investigated the early seat belts whose primitive designs were implicated in these injuries and deaths.