16 Printed matter, namely, magazines, flyers, brochures, catalogs, booklets, and books featuring information in the field of servicing, maintenance, repair, and cleaning of buildings and vehicles, sanitation and laundry services, quality assurance, quality control, work documentation, instruction, qualification and certification; printed instructional and teaching material, except apparatus, in the field of servicing, maintenance, repair, and cleaning of buildings and vehicles, sanitation and laundry services, quality assurance, quality control, work documentation, instruction, qualification and certification; printed training documents in the field of servicing, maintenance, repair, and cleaning of buildings and vehicles, sanitation and laundry services, quality assurance, quality control, work documentation, instruction, qualification and certification; printed qualification documents in the field of servicing, maintenance, repair, and cleaning of buildings and vehicles, sanitation and laundry services, quality assurance, quality control, work documentation, instruction, qualification and certification; printed certification documents in the field of servicing, maintenance, repair, and cleaning of buildings and vehicles, sanitation and laundry services, quality assurance, quality control, work documentation, instruction, qualification and certification; printed manuals in the field of servicing, maintenance, repair, and cleaning of buildings and vehicles, sanitation and laundry services, quality assurance, quality control, work documentation, instruction, qualification and certification; printed work instructions in the field of servicing, maintenance, repair, and cleaning of buildings and vehicles, sanitation and laundry services, quality assurance, quality control, work documentation, instruction, qualification and certification; printed forms; printed diagrams; printed program documentation; printed user manuals; printed software manuals; all the aforesaid goods also and in particular with respect to servicing, maintenance, repair, cleaning, also and especially of buildings, vehicles and sanitation, and laundry services for the commercial sector, particularly in terms of quality assurance, quality control, work documentation, instruction, qualification and certification of the said services; garbage bags of paper or plastic; toilet paper; all the aforesaid goods also and in particular for commercial purposes