Science: Insulation

insulation

Insulation
insulation

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