16
[printed matter, namely, books or magazines on telecommunications; printed instruction and teaching material on telecommunications; stationery]
37
[construction planning, construction supervision, maintenance and repair of [ telecommunications facilities, ] networks, apparatus and instruments; installation of telecommunications networks; apparatus and instruments;] installation, maintenance and repair of computer networks and computer hardware; installation, maintenance and repair of computer software
38
telecommunication services, namely, electronic mail services; [ audio and video teleconferencing; ] optical, electronic, electric and digital transmission of voice, data, information, images, signals and messages; [ cellular telephone services; ] [rental of apparatus for telecommunications, namely,] [ rental of electronic access, ] [transmission, receiver, recording and monitoring equipment comprised of telecommunications hardware and software including components and peripherals thereof for use in the telecommunications industry][ ; audio and video broadcasting ]