Architects' models; writing instruments; stationery; books in the field of real estate; geographical maps; newspapers; magazines and periodicals in the field of real estate; pictures; tracing paper; photograph albums in the field of real estate

Product research and development for others; industrial design; design of interior decor; dress designing; creating and maintaining web sites for others; consultancy in the design and development of computer hardware; data conversion of computer programs and data not physical conversion; computer programming; maintenance of computer software; computer software design