“钢盔”的英语？

矿工头戴钢盔,防护落下的岩石.Miners wore a helmet as a guard against falling rocks.他咕咕哝哝地抱怨那些头戴钢盔、手执警棍的家伙.He muttered against the men who wear helmets and carry clubs.他的钢盔在闪闪发光。His helmet kept coruscating....