Science: Insulation

insulation

Insulation
insulation

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