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This group performs some or all of the following duties:

Gunsmiths

• Fabricate guns and repair and modify firearms according to blueprints or customers' specifications.

Locksmiths

• Repair, install and adjust locks, make keys and change lock combinations.

Safe and vault servicers

• Install, repair and maintain safes and vaults in banks and other establishments.

Saw fitters

• Repair, set and sharpen band saws, chain saws, circular saws and other types of saw blades according to specifications.

Die setters

• Select dies for forging according to work order and specifications; position align and bolt dies to ram and anvil of power presses and hammers.

Commercial divers

• Perform underwater activities related to construction, inspection, search, salvage, repair and photography.

• Completion of secondary school is usually required.
• Completion of a two- to four-year apprenticeship program in a relevant trade, such as locksmith or saw fitter or college, high school or industry courses combined with several years of related work experience or several years of on-the-job training are required.
• Trade certification for locksmiths is available, but voluntary, in Nova Scotia, New Brunswick, Saskatchewan, Alberta, British Columbia, the Northwest Territories and Nunavut.
• Sawfiler/fitter and sawfitter trade certification is available, but voluntary, in Quebec, British Columbia and the Yukon.
• Provincial trade certification or licensing may be required for other occupations in this unit group.
• Commercial divers must meet the requirements of CSA Standard Z275.4-02, Competency Standard for Diving Operations.
• Commercial divers require an Occupational Diver Certificate of Competency issued by the Diver Certification Board of Canada (DCBC) or qualification earned through a formal education program, training courses in diving or a combination of education and practical experience.
• Commercial divers require certification of competency and a diving medical examination from an approved hyperbaric physician.
• Commercial divers may require military or police diving experience.
• Commercial divers usually require a provincial blaster's licence for the setting and detonation of explosives.

• Progression to supervisory positions is possible with experience.
• There is little or no mobility among occupations in this unit group.

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