A Conversation for Modern Etiquette

ringing cellphones

Post 21


The magnetic wood sandwich which can be used to block out mobile phone signals is detailed more thoroughly at:


... for those in the restaurant, cinema and concert hall business.


ringing cellphones

Post 22


I can think of one reason that places of entertainment can not use technoligy.

They use RF systems to communicate, with equipment or personell.


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ringing cellphones

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