Jawabanmu

2014-09-01T12:41:52+07:00
1. don't enter
2. don't disturb
3. no smoking!
4. don't kidding!
5. silent please!
2014-09-01T12:57:00+07:00
1. Eat, drink, smoking, and chat is forbidden!
2. Don't using flippers, high heels in laboratory!
3. Using monocle is prohibited!
4. Don't enter this room!
5. Do not conduct experiments unsupervised the laboratory supervisor!