Science: Insulation

insulation

Insulation
insulation

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