2022 Manitoba Workplace Safety and Health Act and Regulation

“temporary support system” means a system designed to be used as a
temporary support for all loads that will be or are likely to be imposed
on it and includes falsework, flyforms, formwork, ramps, platforms,
runways, scaffolds, braces, shoring and stairs. (« système de soutien
temporaire »)
“threshold limit value” means the threshold limit value for a chemical or
biological substance established in the ACGIH publication 2019 Threshold 
Limit Values for Chemical Substances and Physical Agents & Biological 
Exposure Indices. 
“travel restraint system” means a fall protection system that is designed
to prevent a worker from travelling to a location where there is a risk of
falling. (« harnais de retenue »)
“trench” means an excavation that is deeper than its width at the
bottom. (« tranchée »)
“trench cage” means a steel support structure designed to resist the
pressure from the walls of a trench and capable of being moved as a
unit. (« cage pour tranchée »)
“trench jack” means a screw or hydraulic jack used as a brace for shoring.
(« vérin pour tranchée »)
“tunnel” means a generally horizontal excavation that is more than one
metre long and located underground. (« tunnel »)
“violence” means
(a) the attempted or actual exercise of physical force against a
person; and
(b) any threatening statement or behaviour that gives a person
reasonable cause to believe that physical force will be used
against the person. (« violence »)
“well” means a well as defined under The Oil and Gas Act. (« puits »)
“well servicing rig” means a derrick and all rig equipment directly
involved with servicing a well. (« appareil d’entretien de puits »)
“worker member” means a member of a committee elected by a
union or the workers at the workplace. (« membre représentant les
travailleurs »)

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Workplace Safety And Health Regulation
87
“working alone” means the performance of any work function by a
worker who
(a) is the only worker for that employer at that workplace at any
time; and
(b) is not directly supervised by the employer, or another person
designated as a supervisor by the employer, at any time. («
travailler seul »)