On Tuesday, 31 March 2020 17:18:20 UTC+1, Richard wrote:
For those who may wish to go that one step further. There are some
interesting links in the Discussions
https://www.instructables.com/id/UVC...-19-Emergency/

I haven't read the Discussions yet but I assume that Big Clive is mentioned

https://www.youtube.com/watch?v=1m0TQjBRcFo

Owain