Alone the instructions accompanying is a joke. (Max. 150kg) One should really just gently put on the stool and roll over flat and smooth. Alas it come to shock loads, or you can fall on him. It also is taboo, but what I can not understand. But less that he endures no liquids or aggressive substances. So unsuitable for a real workshop.
I hope in my mild application (light motor vehicle repairs, dent removal and treatment) he can keep permanently.
In this sense, nor point 11 (Care and maintenance) Quote:
Impacts, drops and liquid contact can impair the function and damage the unit.