Expert evidence - Part 32 of the Civiil Procedure Rules (CPR) - Oral application and written application - Oral evidence by expert - Need for expert report to be prepared - Section 31E of Evidence Act - Relationship between Part 32 of the Civil Prodecure Reles and Part 31 of the Civil Procedure Rules, - Proposed appointment of expert witness during trial - Jointly instructed expert witness - Whether another expert witness should be appointed by the Court.