Signalling apparatus [electric-, electronic- or software-controlled]; control apparatus [electric-, electronic- or software-controlled]; recording machines [electric-, electronic- or software-controlled]; monitoring units [electric-, electronic- or software-controlled]; controllers [electric-, electronic- or software-controlled]; switchgear [electric-, electronic- or software-controlled] and network communication apparatus and programmable logic controllers.

Retailing and wholesaling of signalling apparatus [electric-, electronic- or software-controlled], control apparatus [electric-, electronic- or software-controlled], recording machines [electric-, electronic- or software-controlled], monitoring units [electric-, electronic- or software-controlled], controllers [electric-, electronic- or software-controlled], switchgear [electric-, electronic- or software-controlled] and network communication apparatus and programmable logic controllers.