1. Vocabulary:
- account for
- appliance
- bill
- bulb
- carpool
- category
- chopstick
- conserve
- crack
- drip
- effectively
- efficiency
- energy
- energy-saving
- faucet
- hobby
- household
- infrastructure
- innovation
- install
- label
- model
- nuclear
- ordinary
- pipe
- plumber
- profitable
- quarter
- receive
- recent
- regularly
- replace
- resource
- separate
- solar
- solid
- source
- standard
- suggest
- ultimately
- => All Words
2. Phrases (a small group of words):
3. Questions & Answer:
4. Note:
5. Videos
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