42 operation of business facilities and visualization centers providing the services of performing and producing computer graphics for customers in a printed or displayed manner in a hard copy or in digital form, said services to be provided on-site at the applicant's facilities, interactively or through digital transmission; the operation of business facilities and visualization centers providing to customers the services of training and instruction on how to perform and produce computer graphics in a printed or displayed manner in a hard copy or in digital form, said services to be provided on-site at the applicant's facilities, interactively or through digital transmission