### sec.219 Charging or firing explosive-powered tools A person must not charge or fire an explosive-powered tool at an underground mine unless the person— has the underground mine manager’s authority to be issued with the explosives; and is working under the direct supervision of— an ERZ controller for the mine; or a person who holds a higher certificate of competency. - (a) has the underground mine manager’s authority to be issued with the explosives; and - (b) is working under the direct supervision of— (i) an ERZ controller for the mine; or (ii) a person who holds a higher certificate of competency. - (i) an ERZ controller for the mine; or - (ii) a person who holds a higher certificate of competency. - (i) an ERZ controller for the mine; or - (ii) a person who holds a higher certificate of competency.

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Section sec.219 - Coal Mining Safety and Health Regulation 2017 - Charging or firing explosive-powered tools — Zoe