Close off and Packed like sardines

Close off verb - To disallow entry into (a place) by means of a physical barrier at the entry point.

Packed like sardines and close off are semantically related. In some cases you can use "Packed like sardines" instead a verb "Close off".

Close off and packed like sardines are semantically related. Sometimes you can use "Close off" instead a verb phrase "Packed like sardines".