Science: Insulation

insulation

Insulation
insulation

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