21. Siemens provides engineering services and products to a variety of industries. 22. EDIG presently has a relationship with the Weizmann Institute of Science, providing engineering services . 23. UNITA would also be prohibited from purchasing aircraft, parts, flight insurance and engineering services . 24. TCI is exporting technical and engineering services , as well as consulting and contracting services. 25. The sanctions also prohibit UNITA from purchasing aircraft, parts, flight insurance and engineering services . 26. This mostly applied to policemen, career firefighters, and specialists in telecommunication or engineering services . 27. Williams Advanced Engineering is the technology and engineering services business of the Williams Group. 28. UNITA was also be prohibited from purchasing aircraft, parts, flight insurance and engineering services . 29. Just this year, Spath sold off money-losing businesses in telecommunications equipment and engineering services . 30. The Spetstyazhavtotrans SRPA created a unified system for transporting oversize cargo and engineering services .