On Monday, 11 March 2019 12:42:43 UTC, Graham. wrote:
1)Doorbells

I have one in the lab , because sometimes students access cards don't work on the entrance door and that is two floors below me, which means the students won't be able to get in and do their lab unless I go and open the door.
In about 2 months I'll be 3 floors above the door.


2)Room thermostats
3)Keyless ignition
4)This:
https://www.dailymail.co.uk/news/article-6789479/

--
Graham.

%Profound_observation%