As in conjunction, the non-manual markers that mark disjunction spread over each conjunct. Moreover, the typical non-manual markers of disjunction, furrowed eyebrows and squinted eyes, always spread over both constituents, as in the example below.
fe, sq
ht-left /o/ ht-left ,bl-b
marina work[contra] vacations.
‘Marina will work or will go on vacation.’
(© Giorgia Zorzi 2018. Reprinted with permission from Zorzi, 2018b: 106)