Self levelling, self adjusting device being a hydraulic system that eliminates the wobble from tables

Wire goods of metal, including fencing, plain and barbed wire, prefabricated wire fencing, wire fencing panels, wire mesh, mining mesh; gates of metal; metal reinforcing mesh; metal fittings for use in fencing; metal bar; metal fencing panels; metal strainers and drivers for fencing; metal fence post drivers; steel posts and pickets

Furniture incorporating a hydraulic device that is self levelling and self adjusting to eliminate the wobble from legs in tables