Compartment occupied detector

wvmarle:
18 feet - almost 6 meters tall - how are you going to get the objects in there in the first place?! I'm quite tall myself but even so can't manage that height without ladders or so.

I might be causing everyone misunderstand with the picture I posted. The picture is just an transliteration of how the cabinet looks like. The unit we are going place in the cabinet is like this

And the actual cabinet looks like this