Warning letter for the usage of mobile phone in Manufacturing company while duty hours?

Madhukumar.KM
Hi. Can anybody send me a warning letter for the usage of mobile phone in Manufacturing company while duty hours.
Thanks & Regards
ramesh-kamal-m
Important Notice
My wishes to all,
Behalf of Management i request you to kindly don't use mobiles phones in the factory premises and also kindly use office Land line Number for important calls -xxxxxxxx.It is use to avoid unwanted usage of mobile phones.
-Management
If you are knowledgeable about any fact, resource or experience related to this topic - please add your views. For articles and copyrighted material please only cite the original source link. Each contribution will make this page a resource useful for everyone. Join To Contribute