|
lamp |
| electrical energy →
_____________+ _____________
|
|
rice cooker |
| _____________→ ___________ |
|
Computer |
| ___________ →
___________ +_______________ |
|
Hair dryer |
| _____________ →
_____________+_______________ |
|
Calculator |
| Solar energy →
_____________→_______________
|
|
Solar powered signal light |
| _____________ →
______________→______________
|
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