Add punctuation: Dust and dirt has accumulated in my GyroTwister and its not running properly
A: Dust and dirt has accumulated in my GyroTwister and its not running properly.

Add punctuation: In 1997 the President of Ukraine issued a decree to award the Academy the national status
A: In 1997, the President of Ukraine issued a decree to award the Academy the national status.

Add punctuation: The levellers can be steplessly controlled from the cab during work
A:
The levellers can be steplessly controlled from the cab during work.