- M -

Man Hours: An industrial time unit relating to the number of hours worked per employee and often multiplied by the number of employees to establish the amount of time spent on a task or used in projections of costs.

Material Safety Data Sheet (MSDS): A bulletin detailing technical and hazard during the handling, storage and use, protective measures for workers and emergency procedures.

Maximum intended load: The total load of all persons, equipment, tools, materials, transmitted loads, and other loads reasonably anticipated to be applied to a scaffold or scaffold component at any one time.

Maximal medical improvement (MMI): Once it is unlikely that your condition will change or improve with or without further medical treatment, an MMI is determined. Once you reach MMI, a doctor can assess a permanent disability rating.

Medical-legal report: A report written by a doctor that describes your medical condition. These reports are written to help clarify disputed medical issues.

Medical treatment: Treatment required to cure or relieve the effects of an injury or illness.

Milliampere: A unit of measurement equaling one thousandth (1/1000) of an ampere.

Modified work: Your old job is changed to allow you to continue doing it with your current injury.