Wholesale and retail services relating to solar, photovoltaic and heating installations; business project management services for construction projects; development of usage concepts for real estate with regard to professional business matters (terms too vague in the opinion of the International Bureau ? Rule 13 (2) (b) of the Regulations); marketing; advertising; development and preparation of location analyses and usage concepts for real estate from a professional business perspective (terms too vague in the opinion of the International Bureau ? Rule 13 (2) (b) of the Regulations)

Engineering; engineering services; planning work (terms too vague in the opinion of the International Bureau ? Rule 13 (2) (b) of the Regulations); technical consultancy (terms too vague in the opinion of the International Bureau ? Rule 13 (2) (b) of the Regulations); quality control; structural planning (terms too vague in the opinion of the International Bureau ? Rule 13 (2) (b) of the Regulations); building design services; architectural services; development of construction projects (terms too vague in the opinion of the International Bureau ? Rule 13 (2) (b) of the Regulations); design services relating to buildings; inspection of buildings [surveying]; quality control of completed technical installations; engineering services in the field of building technology; development of usage concepts for real estate with regard to technical matters (facility management) (terms too vague in the opinion of the International Bureau ? Rule 13 (2) (b) of the Regulations)