Science: Insulation

insulation

Insulation
insulation

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