the fire extinguisher should be located in obivious and accessible place,and doesn't obstruct the safety of evacuation.The extinguisher's location must have a temperate temperature which is in the
operating temperature range.The extinguisher of one complete unit contains 2 units or more.The extinguish must be in fire extinguisher box or on special hook and shelves,the vertical distance between the top of extinguisher and the ground level should be less than 1.5m,the bottom-groud distance must be less than 0.08m,and the most important is that the fire extinguisher box must be keeping unlock.
如有不妥之处,楼主自己调整一下吧.