Dear students and colleagues,
The temperature is very high these few days as influenced by the tropical storm, and the Macao Meteorological and Geophysical Bureau has issued the "Yellow Hot Weather Warning". We would like to remind all those who need to work outdoors under the hot weather about the risk of heat stroke. Working in an extremely hot and humid environment for a long time may cause central nervous system dysfunction, the body may fail to regulate its temperature by effective heat dissipation through sweating, leading to heat stroke. The early symptoms of heat stroke include feeling thirsty, fatigue, nausea and headache. Later, the victim may experience shortness of breath, rapid pulse, dizziness, confusion or even loss of consciousness and convulsion. Heat stroke could be life-threatening. Therefore, the following measures should be adopted to prevent heat stroke:
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- Wear loose-fitting, lightweight and light-coloured clothing to facilitate perspiration and reduce the body heat.
- Drink sufficient amount of water or other appropriate beverages to replenish fluid and electrolytes lost.
- Avoid beverages that include alcohol, coffee, tea or caffeine to prevent dehydration.
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- Work under shelter to reduce the chance of direct sunlight and protect against sunburn.
- Arrange shift work suitably .
- Avoid long hours of outdoor work and take rest in a cool place at certain time. It is suggested to arrange a 15-30 minute break during the work period.
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Reference: Macau Labour Affairs Bureau
Office of Health, Safety and Environmental Affairs
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