execute the work or serving service

execute the work or serving service as per this contract, contractor shall have and remain a strictly regulation and let their contractor employee complying. sub-contractor employee shall not be allowed to do any matter which obstruct or injure the company benefit . if esso order contractor or sub-contractor move contractor employee or subcontractor employee away from company or work place as in agreement by any reason , contractor shall follow company's request and provide the others who are accepted by the company without any extra charges