Marte The system of electro-hydraulic elevation is composed of pantograph and hydraulic cylinders for handling of going up and down of the platforms. The lifter can be supplied with a cover for closing the hole, in case when the system is installed outdoors In this case the higher loading platform can be covered with the flooring at client's choice (maximum floor weight 50 - 70 Kg/mq and inclusive thickness of 4 cm.). In case of systems installed outdoors and with a loading platform of hole closing, a perimetric trunking for water collection is always foreseen (profile in galvanised steel with 5 cm width and height to be defined according to the floor thickness) to be placed on the higher rim of the opening.