37 Building construction; repair of electrical and electronic apparatus for use in the field of automation, in particular construction equipment, in particular of robotic mechanism for drilling, slitting, grinding, screwing, measuring, cutting and sanding machinery; installation services of electrical and electronic apparatus for use in the field of automation, in particular construction equipment, in particular of robotic mechanism for drilling, slitting, grinding, screwing, measuring, cutting and sanding machinery; rental of electrical and electronic apparatus for use in the field of automation, in particular construction equipment, in particular of robotic mechanism for drilling, slitting, grinding, screwing, measuring, cutting and sanding machinery; maintenance of electrical and electronic apparatus for use in the field of automation, in particular construction equipment, in particular of robotic mechanism for drilling, sliding, grinding, screwing, measuring, cutting and sanding machinery