Storage containers (4)
'storage containers' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for bins that I've seen before include "Rubbish receptacles" , "Containers for refuse" , "aid to viewing" , "Containers for wine or rubbish" , "Rejects" .)
(Other definitions for crates that I've seen before include "Jalopies" , "Rough wooden boxes" , "Boxes for shipping goods" , "Packing cases" .)