Yes, there are chemical test .
These gadgets might not be available to average users , that was the reason I focused on the easiest mechanism “sense of smell” that is available to all.
Thanks @shakz for reading.
Yes, there are chemical test .
These gadgets might not be available to average users , that was the reason I focused on the easiest mechanism “sense of smell” that is available to all.
Thanks @shakz for reading.
You are welcome.