Science: Insulation

insulation

Insulation
insulation

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