Science: Insulation

insulation

Insulation
insulation

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