Airport Engineering
According to the International Civil Aviation Organization (I.C.A.O.) the strength of runway pavements, have been coded by

First seven numbers
First Seven English alphabets
Last Seven English alphabets
Seven English alphabets

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Airport Engineering
In instrument landing system

None of these
L.O.M. and Localizer are installed on one side and L.M.M. on the other side
L.O.M. and L.M.M. are installed on one side and Localizer antenna on the other side
Localizer and L.M.M. are installed on one side and L.O.M. on the other side

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