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U-Z
Equipment name | Sources | Suggestions for use | Notes |
---|---|---|---|
Vacuum cleaner |
|
| Use school vacuum cleaner. Check that the vacuum cleaner will actually blow out air. |
Wheels, Plastic |
|
| Use 4.5 mm cane skewers as axles. Kebab sticks and plastic milk bottle lids are an effective substitute. |
Wires (plain, nichrome, copper, fuse, florist's) |
|
| Do not allow children to strip wire with their teeth. |