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Horse Drawn Carriage 

The Engineering Division of the Office of Public Safety and Inspection (OPSI) regulates the operation of horse drawn carriages for public hire on public roads.

Motion Picture Exhibition 

The Engineering Division of the Office of Public Safety and Inspection (OPSI) regulates the operation of motion picture projectors and licensed operators of such apparatuses.

Engineering Board, Meetings, and Regulations 

Pursuant to Massachusetts General Law Chapter 146, Section 82, the Bureau shall promulgate rules and regulations for the examining and licensing of fire sprinkler contractors, pipefitters, refrigeration technicians and sprinkler fitters.

Hoisting 

The Engineering Division of the Office of Public Safety and Inspection (OPSI) licenses and regulates the operation of hoisting equipment.

Pipefitters 

The Office of Public Safety and Inspection (OPSI) offers licenses for apprentice, journeyman, and master pipefitters

Refrigeration Licensing 

This license allows the holder to perform refrigeration work subject to inspection under any law, ordinance, by-law, rule or regulation.

Sprinklerfitters 

This license allows the holder to perform sprinkler work subject to inspection under any law, ordinance, by-law, rule or regulation.

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