заниматься деятельностью(the professional activities which may be performed by persons other than nurses | to determine the professional activities that nurses may perform | Any person performing professional activities under this Regulation must perform them in compliance with the ethical obligations applicable to members of the Order.gouv.qc.caART Vancouver)
осуществлять деятельность(If the union is not registered in accordance with these legal provisions, it may not perform activities provided by the labor law. RealMadrid)