misperceptions about current oil price, page-33

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    re: misconceptions about current oil price Hi Duicorp

    Thanx for 'enlightenings' on the oil 'grades'. As I heard it on the radio I am not sure how 'sulfer' was spelt.

    Re the other 'enlightenings' of grammer I am going to check my exam marks in English before I comment further.
 
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