Science: Insulation

insulation

Insulation
insulation

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