Science: Insulation

insulation

Insulation
insulation

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