Science: Insulation

insulation

Insulation
insulation

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