alarm facilities造句

• Article 20 the employing units shall guarantee the normal service conditions of the safeguards against occupational health hazards , emergency and first - aid facilities , and communication and alarm facilities , and shall not dismantle them or stop the use of them without authorization
  第二十条用人单位应当确保职业中毒危害防护设备、应急救援设施、通讯报警装置处于正常适用状态，不得擅自拆除或者停止运行。