Use of all storage, esp van conversions

The pic of DelBoy 4, SOG outlet started me thinking about best use of available cupboard and other space , particularly in van conversions. This is NOT a criticism of DB's SOG, just the amount of valuable space it is using. 
So, here's my same, identical cup'd. I have a rule, that, as far as poss, nothing should have to be moved to get at something else!

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In this small space, we have the following:-
1 15m EHU cable on wind up cassette, another 11m one is stored elsewhere, the two join together to give 25m+
2 Continental EHU adaptor
3 Full bottle pink toilet flush stuff
4 All known gas tank fill adapters
5 Plastic container of blue toilet stuff
6 Washing line, rubber gloves and clothes pegs
7 1 pint ex milk bottle of washing machine powder

Could fit a second shelf above EHU cable but have no real need of the space!

What's in yours?

That looks just like mine, apart from a box of blue gloves, first aid kit and a box of doggie bags. I donot fit the EHU lead in there.
Very handy cupboard and useful storage space.
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Richard