• projection equipment*
• sound and interpreting equipment*
• lighting equipment*
• television and video equipment*
• communication equipment
• computer equipment
• conversion of the halls
• construction of exhibitions, including electrical power
• haulage services
• parking
• congress services
• advertising areas
• floral decoration
• catering
• security guards
• rubbish removal
• goods lifts manned by an attendant
*necessary technical operation