Jawaban:

7.danger high voltage means its dangerous touch/go near the place or to touch the object

8.sorry i don't know this one yet

9.the sighn means the place or the object is highly toxinated/have a substance that is dangerous/substance that poses a threat to any living organism.

10.the sign means that a human or a living organism is in isolation,because of something like a virus or any substance thats contagious has made contact with the living organism and possibly have a chance to spread the virus or any substance that is highly contagious.

Penjelasan:

sorry if its too long,you don't have to write it all.

hope this helps