5.3 Strategic Spare Part;
(a) The Employer shall provide to the Contractor, free of charge, the conveyor belts, in accordance with period of time as specified in the "Longterm Operation and Maintenance Plan" and the "Yearly Operation and Maintenance Plan" specified in the Article 9 [Work Plan].
(b) The Employer has the right to engage the Employer's Representative to check and determine, at its sole discretion, whether to replace the Strategic Spare Part at time requested by the Contractor or prolonged for a while, its operation time,
(c) The Contractor shall responsible for the costs and expenses in connection to the replacement of the Strategic Spare Part including loading from the Employer's warehouse, transportation, unloading, completed installation and relevant tests.