Resources include:
- examples or photographs of items which rely on high or low pressure, eg snowshoes, skis, drawing pins, camels' feet
- a hydraulic jack, or a video or model of a jack
- an aerosol air freshener
- video clip or photograph of a saline drip above a patient
- a tin with a lid, a lever to remove the lid, a range of household devices that operate on a lever principle, eg bottle opener
- photographs of gymnasts and cranes with counterbalance weights
- a household mop with string and pivot to model the human back
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