Although the Commission for Conciliation, Mediation and Arbitration ("CCMA") is a state-funded institution which acts as the centrepiece of the statutory dispute resolution system in the employment sphere, the institution however, operates independently from the state. Provide an overview of the functions performed by the Commission for Conciliation, Mediation and Arbitration (CCMA) and discuss the institution's process of resolving disputes, which is aimed at achieving industrial harmony.