Science: Insulation

insulation

Insulation
insulation

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