signal box

signal box
commun.	bedieningspost
earth.sc. el.	signalisatiebord

with | push button

push button
commun.	druktoets
commun. transp.	VOP's drukknop; voetgangersdrukknop
comp., MS	drukknop
mech.eng. el.	startdrukknop
transp.	voetgangersdrukknop; VOP's drukknop

geographical | circuitry

circuitry
el.	circuits