
Never mix bleach with other cleaning products
If detergent is needed first, rinse thoroughly with water before using bleach, and keep the area well ventilated.
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Never mix chemicals. Learn ventilation, protection, bleach, separate tools, cleaning order, unplugging, laundry, ironing, sharp items, windows, balconies, and wet floors. Close and lock products after each step; confirm safe conditions before outdoor work.
Confirm chemical rules and a safe work area, then prepare products, clean by area, and handle appliances, sharp items, and outdoor work. Finish by drying and reopening the area and checking supplies. Open each lesson for full steps.

If detergent is needed first, rinse thoroughly with water before using bleach, and keep the area well ventilated.
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Never pour two products or leftover batches into the same bottle, spray bottle, or bucket; rinse surfaces fully with water before changing product.
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Keep cleaning products in their original, clearly labelled containers and out of children's reach.
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Before using bleach, sprays, or strong cleaners, read the label, open a window or run extraction, and keep ventilation operating during and after use.
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Before strong cleaners, wear the gloves, apron, and eye protection required by the original label.
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Put away toys, shoes, bags, boxes, and cords crossing the floor so routes to rooms, exits, and bathrooms stay clear.
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After mopping or wet cleaning, block the affected route, provide another path, and reopen only after checking the whole floor is dry.
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Use extension units and leads only in dry places, away from bathrooms, sinks, wet floors, and splashes.
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Never place cups, vases, basins, or wet items on or beside appliances, and keep appliances away from windows, balconies, and splash areas.
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If a cord, plug, or casing is damaged, loose, discoloured, or charred, stop using it and have it checked by an experienced technician.
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Dry your hands first before plugging in, unplugging, or using a switch.
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Read the original strength and purpose, then use cold water and a measuring jug according to current guidance.
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Prepare only what is needed, identify the container, use it with ventilation, and discard after 24 hours. Rinse disinfected objects with water where CHP guidance requires it.
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After each cleaning step, close the original cap and return the product to a locked cupboard; do not wait until the whole job is finished.
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Colour-code or label toilet and kitchen cloths, and wash, dry, and store the two sets separately.
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Work from cleaner and higher surfaces toward dirtier ones, leaving the toilet until last.
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After raw meat, poultry, seafood, or eggs, clean utensils and worktops thoroughly with hot water and detergent, then sanitise where appropriate.
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Seal and discard cracked eggs, then clean and disinfect every surface touched by the spill.
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After the required contact time, rinse or wipe with clean water when official or product directions require it.
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Switch the appliance off, then hold the plug body to unplug it; never pull the cord.
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Switch off and unplug before wiping, washing, or removing movable parts.
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After use, switch off and unplug, then let the body, basket, tray, and interior cool as instructed before cleaning or storage.
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Before cleaning a socket, switch, or appliance panel, disconnect power safely and apply a small amount of cleaner to the cloth, keeping controls dry.
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Switch off and unplug, wait for the blades to stop, then fit, remove, or clean them as instructed.
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Following the maker’s instructions, remove dust and grease after power is off and parts are cool.
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Never block the inlet or outlet during use, and remove dry lint regularly.
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Switch off after a boil-over, let the cooker cool fully, and clean only as instructed; stop use and tell the employer if the flame is abnormal.
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Keep burners, air inlets, and ventilation as designed; never cover the hob with foil.
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Stay home while it runs and watch for unusual noise, smell, vibration, or leaks; stop and unplug if anything is wrong.
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Switch off, unplug by the plug, and leave the iron upright on a stable heat-resistant surface out of children's reach until fully cool.
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During a blackout or unstable supply, switch off and safely unplug non-essential appliances.
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Keep used knives visible, wash them one at a time, and store them immediately.
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If a knife slips, let it fall, step back, warn people nearby, and pick it up only after it has stopped moving.
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Store knives in a secure knife block, sheath, or safe place with the blade protected and out of children's reach.
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After cleaning and drying, return scissors and can openers to a closed or locked place.
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Fit the food holder or hand guard and follow the product instructions whenever using a mandoline slicer.
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Control the sharp lid immediately after opening, wrap it, and place it in a puncture-resistant container.
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Isolate the area, then collect large and small fragments with a broom, tongs, and stiff card.
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When a toy cracks, exposes a sharp edge, or sheds a small part, stop play immediately, collect the pieces, and isolate the whole toy.
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For non-ground-level windows, the grille must be locked and no body part except the arms may extend outside.
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Monitor Hong Kong Observatory warnings, stop outdoor work, and enter a substantial building.
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During warnings or nearby thunder, stay inside and postpone laundry, drain clearing, and rooftop work.
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In safe weather, remove leaves, bags, and surface debris around balcony drain openings so water can flow.
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Once conditions are safe, check plant saucers, air-conditioner trays, umbrella stands, and balcony items, then empty water.
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Clean up spills at once and dry the floor to prevent slips.
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Use a secure, well-fitted anti-slip mat or surface in the bath or shower area, keep it in good condition, and keep the floor dry.
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Remove loose cloth and unsecured mats from walking routes; use a flat, secure non-slip mat where one is needed.
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Empty baths, buckets, and basins immediately after bathing or cleaning, then store them upside down.
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Close the bathroom when no adult is supervising and use an adult-controlled safe latch.
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Peel gloves off from the wrists so the contaminated surfaces fold inward, then discard them and wash your hands.
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Keep bleach upright in its original labelled container, tightly closed, in a cool shaded place children cannot reach.
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Keep pesticides in original labelled containers, locked out of children's reach, and separate from food, water, medicines, heat, and flame.
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Lock cleaners, bleach, pesticides, and other chemicals together away from all food.
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Keep aerosol cans upright in a cool, ventilated, locked place, away from cookers, heaters, flames, and sparks.
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Buy only the household’s short-term need, rotate stock, and inspect it regularly.
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Place cleaners, bleach, and pesticides in bags separate from all food.
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Restore the required water level before powering the heater again. Do not plunge a hot dry heater into water; arrange a check if it overheated.
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Keep prohibited materials out of the dryer as the garment and machine labels direct. Separate them from the load and choose a permitted drying method.
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Load clothes only after the pockets are emptied. Put removed items safely away and stop the machine if an object or abnormal noise is noticed.
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Avoid naphthalene products where a person with G6PD deficiency may be exposed. Keep an unidentified product unused and ask the healthcare team for suitable alternatives.
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Remove pets and protect aquaria, food and feeding equipment exactly as the label directs. Do not spray if these protections cannot be completed.
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Remove all people and animals before treatment and keep them out for the labelled period. Ventilate as directed before re-entry; never shorten the waiting period yourself.
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Use a properly labelled product intended for hands, never industrial alcohol. Keep unclear products out of use and ask the supplier for identification.
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Immediately rinse a splashed eye with clean water for at least 15 minutes and seek prompt medical care. Do not rub or neutralise it; provide the product information to medical staff.
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Keep aerosol cans intact; never puncture, crush or burn them. Follow the local disposal arrangement and keep them away from heat while waiting.
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Clean litter daily, use gloves and wash hands with soap afterwards. If a pregnant person cannot avoid the task, seek healthcare advice on precautions.
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Do not add dryer sheets to flame-retardant clothing; follow the garment's care label. If an additive is unclear, leave it out and ask the employer or manufacturer; do not assume lost protection is restored.
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Keep reptiles and their tanks out of the kitchen and never wash tanks in the food sink. Wash hands with soap after touching the animal, equipment or tank water.
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Do not operate a hydraulic storage bed alone or enter underneath without the specified secure support. Stop if the platform cannot be held safely and arrange repair.
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Before buying, check the Hong Kong pesticide registration number, intact packaging and household-use label; reject unclear products. Ask the employer or supplier to clarify missing information; do not substitute agricultural or industrial products.
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Cover a child's sandbox when unused to keep cats out; stop play and tell the employer if faecal contamination is found. Picking out visible faeces does not establish cleanliness; keep it out of use and wash hands with soap after sand contact.
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Leave the object in place; protect around it with dressings and apply pressure at the wound edges as instructed. Seek medical help and call 999 for severe bleeding; never push or pull the object.
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Secure the folded table as instructed so children cannot topple it; never let children crawl into or play with its leg frame. Do not leave it merely leaning against a wall; if it cannot be secured, arrange child-inaccessible storage with the employer.
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