Contractors must carefully control the business with efficiency and expertise and the work will be required to have a representative. Who works full time as a supervisor. Instead, the controller must be authorized by the contract, instructions or recommendations. Has informed the delegates Mandatory, it is a command. Or recommendations that have informed the contractor. The appointment must be made in writing and received approval from the employer. Change or new appointment would be impractical, if not the approval of the Employer.
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