Science: Insulation

insulation

Insulation
insulation

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