Precimeter

Precimeter :: Molten metal level control, foundry automation ..

Here we are using this for the same but its found worth doing it sir.. in what way do you say its worst pl justify it sir.....so that i could know y............

I cannot make any sense of your words.

Go to the manufacturer of the system. They will be happy to justify it for you, "so that i could know".

in what way do you say its worst pl justify it sir.....so that i could know y............

It is just a saying and is not related to the answer given. Check out the bottom of your original post, it says

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thirsty

The line (__________________) indicates that it is a saying or quote. Hope that clears things up.

good humour