Science: Insulation

insulation

Insulation
insulation

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