sabbanirajitha609 Asked: December 2022 mining tough underground tunnels ls caled asa drill miningb underground mining c opencastmining
sabbanirajitha609 Asked: December 2022 the giverfirst draw a rough sheet of the question ab cd markmeasurementsb
sabbanirajitha609 Asked: December 2022 ededifferentials renewable and non renewable resourceswith examples
sabbanirajitha609 Asked: December 2022 wefirst draw a rough shetch of the quaderal labcd markthe givenmeasuremants
sabbanirajitha609 Asked: December 2022 resources winch can be regenatedare called asa non renewable b renewable c metallic minerals d are