Science: Insulation

insulation

Insulation
insulation

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