The question isn't really clear. Do you want us to explain what they are? or how they work? or how to avoid them?
Veuillez vous connecter pour publier un commentaire.
The question isn't really clear. Do you want us to explain what they are? or how they work? or how to avoid them?
Veuillez vous connecter pour publier un commentaire.
The question is on the title of this topic .. can somebody explain?