›‰p’PŒ๊ƒNƒCƒYy‘I‘๐ŽฎF‚2E‰pŒŸ“๑‹‰E‰pŒŸ€ˆ๊‹‰z›
Ÿ‚ฟ”ฒ‚ซํƒ‚[ƒh

ก105–โ–ฺ ‰๑“šŒ‹‰สก
•sณ‰๐I
ณ@‰๐Fobserve
Žž@ŠิF599•b
ณ‰๐”F20–โ

‘ๆ106–โ–ฺ
d‘‚Eƒ\[ƒ_
carbon
lime
soda
sand
coal


ƒƒjƒ…[‚ึ
ฤ’งํ