sgaM to Answer Questions never been answered before (probably because they have never been asked)English · edit-26 days agoThe best wavelength? and why?message-squaremessage-square11linkfedilinkarrow-up15arrow-down11file-text
arrow-up14arrow-down1message-squareThe best wavelength? and why?sgaM to Answer Questions never been answered before (probably because they have never been asked)English · edit-26 days agomessage-square11linkfedilinkfile-text
that is great, thanks