Sentence examples for require an external from inspiring English sources

Turbines of this variety are not self-starting and require an external motor for start-up.

The Touch and original iPhone models require an external mike, like the one on Apple earbuds.

Reptiles are ectothermic that is, they require an external heat source to elevate their body temperature.

But most of them require an external receiver box costing $450 or more to receive digital programming.

For start-up, gas turbines require an external motor which may be either electric or, for stationary applications, a small diesel engine.

A large number of common skin diseases also are directly or indirectly determined by a person's genotype (genetic constitution), but their expression may require an external influence or an altered hormonal milieu.

Piezo-biosensing process does not require an external power supply.

However, these actuators require an external electrolyte to operate.

RF electron guns require an external magnetic focussing field to produce a low-emittance electron beam.

Dish's new Local Channels DVR feature will require an external storage device in order to work, which is not included.

Users no longer require an external stimulus to use Instagram because the internal trigger happens on its own.