Subtitles & vocabulary
The $300 Homestead Heater That Beats Your $30,000 Furnace (Science Explained)
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Richard VT posted on 2026/03/06Ever wondered about super-efficient heating that costs next to nothing? This video dives into the science behind rocket-mass heaters, showing you how a simple DIY setup can beat expensive furnaces and even uses less fuel! You'll pick up advanced vocabulary related to thermal mass and combustion while learning about a fascinating piece of home-building history.
Video vocabulary
massive
US /ˈmæsɪv/
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UK /ˈmæsɪv/
- Adjective
- Very big; large; too big
- Large or imposing in scale or scope.
B1
More genuinely
US /ˈdʒɛnjʊɪnlɪ/
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UK /'dʒenjʊɪnlɪ/
- Adverb
- In a real, actual, not false or artificial way
- In a sincere and honest way.
A2
More structure
US /ˈstrʌk.tʃɚ/
・
UK /ˈstrʌk.tʃə/
- Noun (Countable/Uncountable)
- The way in which the parts of a system or object are arranged or organized, or a system arranged in this way
- A building or other man-made object.
- Transitive Verb
- To plan, organize, or arrange the parts of something
A2TOEIC
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