The mean value of work loads on a shaft bearing of swivel and rotary table is determined by basic principles of fuzzy theory, considering the loads' fuzziness and the requirement for reliability.

If you perform a number of tasks, an L-shaped desk or table works best, as well as swivel chair.

Some of these shelves can be attached to the underside of any table. They can slide out, be adjusted to any height, and swivel from side to side.