Medical masks; Respiratory therapy apparatus; Respirators for medical purposes

Treatment of materials; oil recovery services being treatment and processing services; metal manufacturing, electromagnetic assembling and welding services; mineral recovery services being treatment and processing services

Geophysical survey services; design, development, research and consulting in connection with electrical power technology applied to the treatment of materials; electric power technology services applied to the treatment of materials

Electric appliances for household use; electric leads; electric power points; adaptors, plugs; apparatus for conducting, switching, transforming, accumulating, regulating or controlling electricity