Science: Insulation

insulation

Insulation
insulation

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COLD
ENERGY
FIRE
HEAT
HOT
INSULATOR
STOVE
SUN
TRANSFER
I I H J Y C Z T H
Z N T G E B R B K
U G S R X A D J K
Z U I U N S V L M
N F T S L J G D T
L O F U T A L L S
H E A T Z O T G Z
R Q V V C S V O W
F Y G R E N E E R
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