Science: Insulation

insulation

Insulation
insulation

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