作者:song min khai 13 年以前
544
How to stod diseases from spreading
How to stop diseases from spreading
Pasteurisation
Used to pasteurise milk(heatedto70°C for 15 seconds to kill harmful bacteria)
To prevent tuberulosis
Cooking food well
Used to kill off bacteria
Prevents the spread of food poisoning
Soaps and antiseptics(in toothpaste and deodorants)
Used to kill bacteria on our bodies
Prevents skin diseases and stomach upstes
Disinfectants
Used to kill bacteria in toilets and around buildings
Prevents Stomach upsets and legionnaire's disease
Drying, freezing, refrigeration
Used to stop or slow the growth of microbes in food
Prevents stomach upsets
Salting, canning pickling in vinegar
Used to kill microbes in food
Prevents the spread of stomach upsets
Chlorine in drinking water
Used to kill bacteria in water
Prevents cholera, typhoid and stomach upsets