Science: Insulation

insulation

Insulation
insulation

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