Science: Insulation

insulation

Insulation
insulation

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