Item 5 - Check Voltage ratio of all taps and three-phase group:The meaning of the following sentences are not clear "1) If the voltage class is below 35kV, the allowable deviation of the transformer voltage ratio less thanthe voltage ratio shall be 1%;2) The allowable deviation of rated subdivision voltage ratio of all other transformers shall not exceed0.5%;3) The voltage ratio of other taps shall be within 1/10 of the transformer impedance voltage value