Millimeter wave drilling equipment, namely gyrotrons and waveguide electromagnetic transmission lines; Mining exploration drilling equipment, namely gyrotrons and waveguide electromagnetic transmission lines; Geothermal drilling equipment, namely gyrotrons and waveguide electromagnetic transmission lines

Millimeter wave oil or gas drilling services; Mining exploration drilling services; Geothermal energy drilling services; Development services of Geothermal fields namely, construction of drilling equipment and construction of geothermal energy installations; Geothermal energy mining and installation field operations namely, wellfield and surface infrastructure maintenance

Millimeter wave drilling equipment, namely gyrotrons and waveguide electromagnetic transmission lines; Mining exploration drilling equipment, namely gyrotrons and waveguide electromagnetic transmission lines; Geothermal drilling equipment, namely gyrotrons and waveguide electromagnetic transmission lines