Will this tank explode on me?

[jerome.tremblay]

I bought a brand new tank, and when I did my leak test, i noticed that I can see the side panel glass. There doesn't seems to be silicon everywhere. Is this normal? Will this tank explode on me?

Here are the full definition pictures links:

https://drive.google.com/open?id=1psQScBftrEYW3QUaLNCUySex6XJouUli
https://drive.google.com/open?id=1QDYv1C6cCWjXOSoL3XZDDWuqc4RCGdmP