Advisory services relating to excavating and mining; Mining engineering; Mining engineering construction; Mining engineering consultancy; Construction; Drilling and blasting; Drilling of tunnels; Excavating; Land excavating; Machinery installation services including installation of continuous miners, flexible conveyor systems and remote operating centres; Mining extraction including underground mining extraction and block extraction; Provision of construction advice; Provision of construction information; including all of the foregoing relating to mining systems having reduced costs, improved efficiencies, higher productivity and a safer working environment