sistema di chiusura

13:47 Mar 11 

This is similar to your previous question about windows, where the consensus was 'openers'.
http://www.proz.com/kudoz/italian-to-english/mechanics-mech-...
You could say 'automatic closers'. I don't think you'd need to lock them.

20:18 Mar 10 

forse,,,,The interior of the shed consists of nest boxes with a **separator, sepaaration panel, separation cap** system (one nest for every five hens). (a rear removable LATCHED panel or door for every 5 nests,

alternate meanings of chiusura linguee chiusura noun, feminine
close n end n closure n closing n less common:
fastening n · shutdown n · termination n · completion n
vedere https://carolinacoopsflockshop.com/products/5-nest-box-egg-h... (
forse back latching panel, for every 5 nests in individual units.

19:25 Mar 10 

Lock is more intended as something implying the use of keys or things like that, isn't it?

19:23 Mar 10 

Actually, I am undecided between the two options.

18:48 Mar 10 

Or closing system?

18:02 Mar 10 

Lock system ?