Railroads, the telegraph, steamships, and mass-produced weapons were employed extensively.

铁路，电报，轮船，和大规模生产的武器被广泛应用。

youdao

In 1994 this centre began financing projects to keep weapons scientists harmlessly employed.

ECONOMIST: The diamonds in the rubble

In confrontations with the Mexican army and police, DTOs have employed automatic weapons and grenades.

FORBES: A Death in Juarez: How U.S. Immigration Policy Is Tearing American Families Apart

Promethium is necessary for guided weapons and Dysprosium is employed in sonar systems.

CENTERFORSECURITYPOLICY: Center For Security Policy