Sentence examples for as sentries for from inspiring English sources

Plumbing systems can be prepared for drops in temperature, and there are several devices that act as sentries for home heating systems.

It will be possible to monitor air quality as well as deploy noise sensors that act as sentries for everything from gunshots to car crashes.

Early in life, immune cells are distributed to virtually every tissue and organ of the body, where they serve as sentries for organ integrity and homeostatic regulators of the tissue's physiological function.

DCs are present in peripheral tissues, where they act as sentries, capturing antigens for presentation to CD4+ and CD8+ T cells.

Some birds serve as sentries, scanning the horizon for predators and calling out warnings.

Hovering UAVs could also serve as sentries, watching over a country's coastline for smugglers and terrorists, and as military reconnaissance platforms.

Later segments show the men ordered to act as sentries, amid trees that had been planted for the movie; they were hopelessly confused.

Army Special Forces units have bought six lawn-mower-size robots — the type showcased in the Robotics Rodeo — for classified missions, and the National Guard has asked for dozens more to serve as sentries on bases in Iraq and Afghanistan.

Other specialized behaviors are also present, including creatures which call for help, or creatures which act as sentries and retreat to an ambush location when threatened.

As resident brain macrophages, microglia function as sentries, but when activated they can mediate tissue damage, a scenario considered for several CNS inflammatory disorders (10, 15, 27).

The company makes small robots that have cleared bombs and operated roadside sentries for the military in Iraq and Afghanistan, as well as some that clean pools, floors and gutters for property owners in the United States.