Science: Insulation

insulation

Insulation
insulation

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