Question

Task 21

What do the following signs mean?

Answer 1

1. you are not allowed to enter this area
2. you are not allowed to bring foods and drinks to this area
3. you should wash your hands after the experiments
4. you are not allowed to smoke in this area
5. you should throw the rubbish into the rubbish bin
6. the floor is slippery
7. you should turn off your cell phone in this area

nomor 8 gk tau :/