42 Consulting services in the field of mining, namely, specialist consultancy, advisory and research services in the field of geophysical exploration and mining; Consulting services in the field of mining, namely, technological research and advisory services relating to mining, mining machinery and equipment and geological prospecting, specialist mining and prospecting services in this class; Mining exploration and mineral exploration services, namely, custom mine design and engineering in the field of mine exploration of precious and base metals; Construction engineering, namely, engineering services for the mining extraction construction industry