Olena Vladymyrets, 94, from Vinnytsia, and her daughter Nina made 4,000 trench candles for Ukranian defenders. - eviltoast
  • Ulara@lemmy.world
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    11 months ago

    The corrugated paper is cheap, has vertical channels on the inside, and its quantity creates a large area flame. Standard wicks would only produce a small flame with little heat.