Science: Insulation

insulation

Insulation
insulation

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