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].
selca'a
x2=c1 is apparatus/mechanism/device/equipment for function x1=c2 controlled or triggered by x3=c3.
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.
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)