← Agriculture / 3 Hygiene Practises
3.2 Disinfecting Clothing and Household Articles
Agriculture · Grade 9 · 12 lessons in the design
What this covers
- Methods of disinfecting clothing and household articles: use of sunlight, use of salt, boiling, use of disinfectants and ironing.
- Disinfecting clothing and household articles such as aprons, gloves, towels, dust coats, handkerchiefs and socks.
- The importance of disinfecting clothing and household articles for hygiene purposes.
What you will be able to do
- describe methods of disinfecting clothing and household articles
- carry out disinfection of clothing and household articles
- appreciate the importance of disinfecting clothing and household articles
Key questions
“How can we disinfect household articles for hygiene purposes?”
Lessons
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Why articles carry disease
40 min · 1 practice tasks · quizDamp cloth keeps organisms alive for days.
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Cleaning, disinfecting and sterilising
40 min · 1 practice tasks · quizThree different things, and they are done in that order.
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Method 1: sunlight
40 min · 1 practice tasks · quizUltraviolet kills, drying finishes it, and it costs nothing.
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Method 2: boiling
40 min · 1 practice tasks · quizThe most reliable method at home, and the one with the real burn risk.
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Method 3: salt
40 min · 1 practice tasks · quizSalt dries the organisms out — gentle, cheap, and the weakest of the five.
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Method 4: chemical disinfectants
40 min · 1 practice tasks · quizThe right strength, one product at a time, never in a closed room.
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Method 5: ironing
40 min · 1 practice tasks · quizSurface heat, plus the last of the drying. Mind the seams.
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Choosing the method
40 min · 1 practice tasks · quizWhat will the fabric stand, and how dirty is it? Those two decide.
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Preparing the articles
40 min · 1 practice tasks · quizSort, shake, wash, then disinfect. Never the other way round.
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Carrying out and recording the work
40 min · 1 practice tasks · quizRecord the detail, not just the method.
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Keeping them clean afterwards
40 min · 1 practice tasks · quizCareless storage undoes in minutes what boiling achieved.
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The five methods, and why it matters
40 min · 2 practice tasks · quizStrongest the fabric will stand, and finish with sunlight.