The weapons had been made in the prison's metal workshop.

这武器是在监狱里的重金属工作坊制造。

youdao

For this workshop, Larissa used red paint to show how different murder weapons can leave different patterns of blood.

VOA: special.2010.05.05

In 1993, an early-morning explosion in Managua below the workshop of a Basque mechanic revealed an underground bunker stuffed with weapons, forged passports, and documents, including plans for past kidnappings to raise money, notably that of a Brazilian industrialist, Abilio Diniz, in 1989.

ECONOMIST: Nicaragua