Science: Insulation

insulation

Insulation
insulation

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