Lifting and material handling machines for maintenance or medium performance processes, particularly suited for handling loads in tight spaces, subservient to the maintenance of big machines; structural framework with flanged beams; equipped with standard lifting devices (trolley hoists) or designed and produced by Meloni, upon specific request by the customer. Possible application to non-linear traveling paths, where necessary. Possible manual control, through a keypad or a radio control. Possible fields of use: manufacturing industry, energy industry, steelmaking, concrete production, petroleum industry. Design compliance to 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).