Building construction, repair and installation, repair of pumps, cleaning and repair of boilers, heating equipment installation and repair, construction information, tank installation, and repair, disinfecting, rat exterminating, electric appliance installation and repair, sealing, plumbing, rustproofing, construction and repair information, cleaning of swimming pools and baths, installation, maintenance and repair of computers, drilling of wells, painting, underwater construction and repair (except installation and maintenance of illuminated signs)
bei Zuchtschweinen mit einer Nachweissicherheit von # % eine Befallsrate von #,# % in der Isolierstallung nachzuweisentmClass tmClass