Sentence examples for had begun testing from inspiring English sources

Researchers had begun testing nuclear devices at the Nevada Test Site in 1951; this latest series of blasts was codenamed Operation Julin, and the final two tests of the series dubbed Hunters Trophy and Divider took place on 18 September and 23 September, respectively.

In January, Tekmira Pharmaceuticals had begun testing a drug, TKM-Ebola, in humans, evaluating it for safety.

Wal-Mart said yesterday that it had begun testing a mail-order DVD rental service through its Web site, Walmart.com.

By the end of the 1970s, DARPA and the U.S. Army had begun testing a new weapon called Assault Breaker, which was directly inspired by Wohlstetter's study.

Ms. Glazier said that local officials had begun testing the substances and that so far all the results had been negative.

The company had recently purchased a used tunnel boring machine from another California city and had begun testing its capabilities below its parking lot.

Local blood banks have begun testing every unit donated.

High flyer: Google has begun testing its high-altitude balloons.

In recent week, officials in counties in Maryland and Virginia have begun testing their drinking water.

In recent weeks the company has begun testing the first of several hundred prototypes.

Cruise has begun testing G.M. vehicles on the open road in California.