Science: Insulation

insulation

Insulation
insulation

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