该小组履行以下部分或全部职责：

• 设置和操作钻机和钻孔机以产生指定的爆破孔图案
• 操作金刚石钻机或其他专用钻机，例如提升钻孔机，以测试地质构造或开辟地下通道
• 设置和操作采矿机械以从工作面剪切煤、岩石或矿石
• 装载炸药、设置保险丝并引爆炸药，以在地下矿井中产生所需的爆破模式和岩石碎片
• 操作铲车、装载-运输-倾卸 (LHD) 机或出渣机，将矿石从采场、巷道和抽取点装载和拖运到矿石通道
• 履行确保安全和支持采矿进展所需的职责，例如从墙壁和屋顶上清除松散的岩石、钻孔和安装岩石螺栓、延伸和安装空气和水管、操作矿石装载机械、检查矿井、操作运输的提升机人员、设备和材料通过矿井，并在需要时建造木材支架和斜槽
• 对矿山机械进行日常维护。

• 可能在基本的共同核心计划中获得认证，或作为安大略省的地下硬岩矿工。
• 可能需要急救证书。
• 通常提供长达六周的正式培训，然后是作为助手或辅助职业的长期专业培训。
• 本单元组的职业通常需要公司许可或认证。
• 通常需要有作为矿工或其他矿山职业的经验。
• 可能需要省级爆破许可证。
• 魁北克省和马尼托巴省提供矿工贸易认证，但属于自愿性质。
• 通常需要完成中学学业。

• 这些部门之间的流动性在某种程度上受到生产技术差异的限制。
• 地下采矿中的其他职业群体（例如地下服务和支持职业）的流动性是可能的。
• 随着经验的积累，可能晋升为采矿主管。
• 以下三个行业的雇主之间存在流动性：地下煤矿开采、地下硬岩开采和地下钾盐、盐或软岩开采。

• 钻孔机和爆破机 - 露天采矿、采石和建筑 ( 73402)
• 矿工 ( 85110)
• 采矿和采石主管 ( 82020)
• 地下矿井服务和支持人员（84100）

This group performs some or all of the following duties:

• Set up and operate drills and drilling machines to produce a designated pattern of blasting holes
• Operate diamond drills or other specialized drills such as raise boring machinery to test geological formations or to produce underground passageways
• Set up and operate mining machinery to shear coal, rock or ore from the working face
• Load explosives, set fuses, and detonate explosives to produce desired blasting patterns and rock fragmentation in underground mines
• Operate scooptram, load-haul-dump (LHD) machine or mucking machine to load and haul ore from stopes, drifts and drawpoints to ore passes
• Perform duties required to ensure safety and to support the mining advance, such as scaling loose rock from walls and roof, drilling and installing rock bolts, extending and installing air and water pipes, operating ore loading machinery, inspecting mine shafts, operating hoists that transport people, equipment and materials through mine shafts, and constructing timber supports and cribbing if required
• Perform routine maintenance of mining machinery.

• May be certified in the basic common core program or as an underground hard rock miner in Ontario.
• Certificate in first aid may be required.
• Formal training of up to six weeks followed by extended periods of specialized training as a helper or in support occupations is usually provided.
• Company licensing or certification is often required for occupations in this unit group.
• Previous experience as a mine labourer or in other mine occupations is usually required.
• Provincial blasting licence may be required.
• Trade certification for miners is available, but voluntary, in Quebec and Manitoba.
• Completion of secondary school is usually required.

• Mobility between these sectors is somewhat limited by differences in production technologies.
• Mobility is possible to other occupational groups in underground mining such as underground service and support occupations.
• Progression to mining supervisor is possible with experience.
• There is mobility between employers within each of the three following sectors: underground coal mining, underground hard rock mining and underground potash, salt or soft rock mining.

• Drillers and blasters - surface mining, quarrying and construction (73402)
• Mine labourers (85110)
• Supervisors, mining and quarrying (82020)
• Underground mine service and support workers (84100)