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 G
H O N I F M H R E
O E T E R K I W G
T X A A R E F N C
I K D T L G V Z N
F J G L Q U Y U P
G Q E V O T S I Y
O U R I Q C K N N
P Z A W K F D U I
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