Science: Insulation

insulation

Insulation
insulation

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