Originaltext - Englisch - When using the screen, should fix the power line...

When using the screen, should fix the power line in order to avoid creating the accident through towing. Pulling or touching hot things.
Should be serviced by specialists when happened breakdown during screen moves, will not allowed it working when tjhe electricity turn on or separated blindly in order to get safety.
To guarante the electrical machinery works normally and safety, it shoul be used whithin 4 minutes.