• Command of and agreement on key vocal instructions and sign language
  

• Command of the native language at the site location

• Reliable handling of communication equipment

• Ability to anticipate risk situations and assess these reliably
  

• Sense of responsibility for oneself, the team and people in the vicinity of the installation
  

• Preparedness and ability to act responsibly in emergency situations

3

• Training in use of communication equipment and command of standardised communication procedures, both documented by certificates