1. Low temperatures in air conditioned rooms cause the sweat glands and sebaceous glands to shrink, which can lead to blocked blood circulation and nervous adjustment function disorder.
2. It could communicate among people via sweat, blood and saliva and cause fevers with a death rate over 80 percent.
3. But even that amount is still negligibly small compared with the profits generated through migrant workers'sweat and blood.
4. Migrant workers have provided the sweat, blood and muscle to make the nation what it is today.
5. It takes years of blood, sweat and tears and trust must be established.
6. All these achievements don't come easy without tears, blood and sweat.
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7. But this acknowledged the blood and sweat of migrant workers who physically built the structure.