How do I operate a concrete mixer safely?

In the process of mixing cement and aggregates using a concrete mixer,its important to know how to operate it properly and safely for the opereator,next are some useful tips that tell you what you should do when you are operating a concrete mixer.
1:The concrete mixer better be placed in solid and plat ground,please try to avoid placing it in something place irregular.
2.before you get start using it,you are supposed to check the clutch,brake.The wire should in the good condition.when feeding,you mustn’t to put you head in the hopper our put your hands or touch the hopper.
3.In the process of its operating,you mustn’t to put other things in the barrel.
4.when you get the downtime,you can not continue to run it,it’s electricity should be cut off immediately,then you can start fix it.
5.After the completion of the work,you better have it clean,add some lubrication on the gear,cut off electricity,lock the door in case of stolen.
js 2000 mixer

js mixer