Sentence examples for efficient natural barrier from inspiring English sources

Unlike other marine vertebrates, which have an external layer of keratinised skin that constitutes an efficient natural barrier, fish are less protected against invading pathogens, since the epidermal surface of their skin is composed mostly of living cells with minimal keratinisation [15].

Each must be adequately efficient to overcome the natural barrier to sustained operation.

"It supports the natural barrier".

And they are now running up against a natural barrier.

"We're concerned that the natural barrier habitat is being stripped away".

These mountains form a natural barrier between Nigeria and Cameroon, starting from Pulka.

The islands form a natural barrier for the part of the China coast they roughly parallel.

And in fact, being big created a natural barrier to entry for competitors.

He also cited the "continued operation of Kemper's efficient natural gas facility".

Time is often a natural barrier to game design.

RBP is an efficient natural antioxidant.