Add punctuation: Step 1 get some sketches down and apply for a building permit
A: Step 1: get some sketches down and apply for a building permit

Add punctuation: They where written down and send into circulation to form new combinations and then become visual designs
A: They where written down and send into circulation to form new combinations and then become visual designs.

Add punctuation: The multibeam is a specially designed for deepsea measurements sending out powerful sound pulses at 12 kHz It is capable of covering a broad track of the seabed with up to 191 separate and regular shots athwart the ships course
A:
The multibeam is a specially designed for deep-sea measurements, sending out powerful sound pulses at 12 kHz. It is capable of covering a broad track of the seabed with up to 191 separate and regular 'shots' athwart the ship's course.