Science: Insulation

insulation

Insulation
insulation

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