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4
innovations containing 'handle'
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gadgets
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components with negative component
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building & construction
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lighting
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textile & clothing
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components with negative component
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add a new function or integrate another function
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add new function by using available resources
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add self-balancing
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improve locking features of two components
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Graffiti Umbrella
LED Bulb becomes flashlight
Self standing toothbrush
Number lock door handle
