ok chem spa was ok!think was the easier among all the spas alr..got one dumb guy tried to burn the lab down.sibei dangerous.he actually knocked down the glass bottle containing the alcohol which was, mind you, BURnING. n within secs the table was in flames. in FLAMES.get the idea?not the whole table la but like 1/4 of it. n the funny thing is he keep exclaming"oh fuck!oh fuck"the teacher also sibei gan jiong.with her alr pale enuff face n facing the fire, it was even paler. she keep saying get the water n put out the fire. she was worried that the small piece of wood beside it will burn the whole lab down ah.wat a day man.