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Hazard 1: Hot apparatus
Risk: Can burn hands or body
Precaution: Wear heat resistant gloves or let it cool
Hazard 2: Violent boiling
Risk: Bung comes out and liquid splashes out which can burn hands or body
Precaution: add anti-bumping granules
Hazard 3: Ethanol
Risk: Flammable
Precaution: Only heat mixture with electric heater or water bath
Hazard 4: Fragile glass apparatus
Risk: Injury/ cut on body
Precaution: handle with care