Final answer:
WHMIS stands for Workplace Hazardous Materials Information System, part of the OHSA designed to inform workers about workplace hazards to ensure safety.
Step-by-step explanation:
The acronym WHMIS stands for Workplace Hazardous Materials Information System. It is a comprehensive plan for providing information on the safe use of hazardous materials used in Canadian workplaces. Incorporated into the Occupational Health and Safety Act (OHSA), WHMIS aims to protect workers by ensuring they have the necessary information to work safely around hazardous substances. Employers are mandated to inform and educate their employees about the presence of hazardous materials in the workplace as per OHSA, which underscores the right of workers to be informed about potential hazards.