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A number of conventional technologies such as induction loop, transponder and charge coupled device (CCD) cameras have been utilized for gantry crane Auto Steering System(***). However, they are being gradually phased out and replaced by the new GPS based technology such as a RTK (real time kinematics) system in order to give more trust and less maintenance to (***).
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Hi KFUPM,

...Auto Steering Systems.. (addition of 's' to identify different gantry cranes in existence.)

As for the rest, my previous corrections still stand. I still have a problem with the word 'trust'. As an exercise for you, try to find a synonym of trust which conveys the same idea.

Hope this helps.
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Sorry for the typing mistake thanks again
 Timbo's reply was promoted to an answer.