Science: Insulation

insulation

Insulation
insulation

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