are the white drawcords present in those grooves? - yes they are, just re-read your post; so they're designed to be accessed / cleaned - grease a good idea
there's a hole in the middle of the grooves - for screwed access cover?
are the frame openings designed as cable stops or do the entire inner and outer run the full length?
are the white drawcords present in those grooves? - yes they are, just re-read your post; so they're designed to be accessed / cleaned - grease a good idea
there's a hole in the middle of the grooves - for screwed access cover?
are the frame openings designed as cable stops or do the entire inner and outer run the full length?