went out to study with changyenub today!
okay la, not bad.
except that the aircon was abit too cold.
she repeat the fractional distillation of petroleum thing until i remember alr-.-

petrol, naphtha, kerosene, diesel, lubricating oil and bitumen. zz.
k, whatever.
going night study tmrw!(Y)
muahahaha. okay. better start studying alr. and 21st century breakdown's MV is awesome!