Science: Insulation

insulation

Insulation
insulation

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