Science: Insulation

insulation

Insulation
insulation

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