By the end of the lesson, the learner can explain the difference between cleaning, sanitising and disinfecting.
By the end of the lesson, the learner can describe how to disinfect clothing, household articles and farm equipment.
By the end of the lesson, the learner can explain how disinfection helps control disease in the home and on the farm.
Transcript
[0:00] Some germs survive normal washing. Disinfecting goes further by killing the germs left on surfaces and clothing.
[0:40] Cleaning removes dirt, sanitising lowers germs to a safe level, and disinfecting kills most germs using chemicals or heat.
[1:20] Clothing of a sick person can be disinfected by boiling, soaking in a safe disinfectant, then drying in bright sunlight.
[2:05] Household articles and farm tools are washed, then wiped or soaked in a disinfectant such as a diluted bleach solution.
[2:45] On poultry and dairy farms, disinfecting equipment and footbaths stops diseases spreading between animals.
[3:25] Used correctly, disinfectants protect health, but they must be handled carefully and kept away from children and food.
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