Science: Insulation

insulation

Insulation
insulation

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