He said one explanation for the factory's high injury rate was that injuries often jump mysteriously in periods of labor tension.

Prices of copper futures fell markedly, as labor tensions appeared to ease in several copper-producing countries.

Under this established government, labor tensions grew and anti-American sentiment rose.

Until the issues are resolved, the city faces labor tension and fiscal uncertainty.

But the Doraville plant also has some labor tension.

Pan Am, like Eastern, has been racked by financial losses and labor tensions.

He said he opposed a ban on permanent replacements because that could worsen labor tensions.

As he and other executives negotiate for further concessions, they have been extremely guarded in their public comments on labor tensions.

Casey had lived through periods of labor tension in the past; she knew that the threats usually came to nothing.

The strike was begun at a time of nationwide labor tensions and strikes involving about 30,000 workers in several key industrial sectors.