The invention concerns a piston arrangement having a piston with a piston head and a piston skirt and a connecting rod, which is connected with the piston via a ball joint arrangement comprising a ball, the ball being held in the piston by means of a safety element.

 
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< Ventilating device and a building comprising such a ventilating device

< Cooling device

> Hydromechanical transmission with differential steer

> Position sensor comprising elastomeric material

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