Safeguardprocedures must be set around the equipment and use dry board with thickness of 30mm to make working horse block.
在设备周围必须设置安全防护措施，用30 m m厚的干燥木板做工作踏台。
2
Combine the limestone rock body characteristic of mountain area, we have analyzed the corresponding side slope safeguardprocedures.
结合石灰岩山区岩体特性，探讨分析了相应的边坡防护措施。
3
Strengthen the education of comprehensive protective consciousness and safeguardprocedures to reduce medical personnels' blood spread diseases is an important subject at present.