Science: Insulation

insulation

Insulation
insulation

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