Science: Insulation

insulation

Insulation
insulation

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