Science: Insulation

insulation

Insulation
insulation

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