The principle and process of rubber press as well as the composition of hardware and software design of PLC control system are introduced .

The buckling spring method, unfortunately, has long been replaced by the 'rubber dome,' where little sticks on the underside of the keys press down on rubber domes laid on a plastic underlay.

She said in a press release that high prices for palm oil and rubber means these crops can be profitable and that using land with low original biomass makes their cultivation environmentally feasible.