Science: Insulation

insulation

Insulation
insulation

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