On Thu, 3 May 2018 23:44:51 +0800, "Mr. Man-wai Chang"
wrote:

On 3/5/2018 9:39 PM, nospam wrote:
In article , Wolf K
wrote:

MAN-MADE radiation could be identified, classified, located and hence be
avoided?

They are, insofar as it's worth the trouble to avoid them.

sometimes. other times, it provides benefits that greatly outweigh any
risk.

The world CAN survive without mobile phones among civilians. Trust me!

It can do without all kinds of motor vehicles too.
--

Regards,

Eric Stevens