As per visiting the site, we found that the contractor repaired 4 units of artificial stone in bay 2 No:(S8-007,S7-009,S6-007,S7B-006) because adjusts the edges of these units using the grinder machine, where there is no approved materials for the repair of artificial stone units or approved method. Therefore, these units is considered rejected and the contractor has to change it by another similar units without defects.