Lifting and material handling machines for maintenance or medium to high performance processes; structural frame with arc welded box girders; equipped with a standard lifting device or hoists designed and produced by meloni®, on specific request by the customer. Optionally equipped with shell grab for handling and warehousing bulk materials. Manual control or automatic control system, single or tandem, with a PLC programmed by technicians from meloni®. Possible fields of use: manufacturing industry, energy industry, steelmaking, concrete production and petroleum industry. Design in compliance with Directive 2006/42/CE and, on request, with the local directives on installation and with regulations on equipments in hazardous areas (ATEX 94/9/CE - IECEx – NEMA/NEC).