Science: Insulation

insulation

Insulation
insulation

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