How long is a micron?
Correct answer: One-millionth of a meter

Moray
25 mm to 1 inch
25 microns to 1 mil ,that's 1000. thousandth of an inch
appx

RedSeaDiver
I thought they were talking about my gas meter? :-)

RedSeaDiver
I thought they were talking about my gas metre :-)

Player #2342698
dont get it!! do you??