cabra -ca'a- gismu

x1 is apparatus/mechanism/device/equipment for function x2 controlled/[triggered] by x3 (agent).

Form determined by/from function; does not imply automated/automatic action - requires an external agent/trigger (a minji may be a zmiku cabra if it requires an external agent to trigger or control the functions that it performs automatically). (cf. tutci, minji, finti; girzu, ganzu for organizational apparatus, pilno)

In notes:

ganzu
x1 organizes x2 [relative chaos] into x3 [ordered/organized result] by system/principle(s) x4.
girzu
x1 is group/cluster/team showing common property (ka) x2 due to set x3 linked by relations x4.
minji
x1 is a machine for use/function x2; [automated apparatus, without direct function control].
pilno
x1 uses/employs x2 [tool, apparatus, machine, agent, acting entity, material] for purpose x3.
tutci
x1 is a tool/utensil/resource/instrument/implement used for doing x2; [form determines function].
fletroca'a
x1 is a valve, a device that controls the flow of x2 through a pipe x3
kosmyca'a
x1=c1 is a facility for doing x2=c2 controlled by x3=c3
nunve'urejyca'a
x1 is a cash register/till (device for registering and calculating transactions)
samyzilkeica'a
x1 is a video game console for playing game x2
selca'a
x2=c1 is apparatus/mechanism/device/equipment for function x1=c2 controlled or triggered by x3=c3.
sukmu'uca'a
c1 is a teleporter [device to apruptly relocate] controlled/[triggered] by c3 (agent).
terca'a
x3=c1 is apparatus/mechanism/device/equipment for function x2=c2 controlled or triggered by x1=c3.
tinydjutci
s1=tu1 is a tool that aids s2=ti1 in hearing ti2.
varbasygauca'a
x1=c1=g1 is a ventilator letting air x2=b1=v1 flow in and expells stale air x3=b2
vaxydjuca'a
x1=c1=s1 is a ventilator for helping x2=s2 to breath
vruca'a
c1 is a horn/buzzer/siren producing strident noise c2=s1, operated by c3.
zgica'a
x1=c1 is a musical instrument played by x2=c3.
engranaje
x1 is a gear, gear wheel (toothed)