The Ministry of Labour, Training, and Skills Development (MLTSD) recommends workplaces with heat stress concerns primarily due to process heat: A) considering shutting down during the summer months to prevent heat-related illnesses. B) follow the NIOSH Recommended Action Limits (RAL), Recommended Exposure Limits (REL) and Ceiling Exposure Limits (CEL). C) follow the Heat Stress and Heat Strain guidelines published by the American. Conference of Governmental Industrial Hygienists (ACGIH). D) follow ISO standard 7243:2017, Ergonomics of the thermal environment - Assessment of heat stress using WBGT. E) follow the OHCOW humidex-based Hot Weather Plan (HWP)