Science: Insulation

insulation

Insulation
insulation

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