Question: Each one of you is resonating on a frequency that they have become
Please fix the punctuation.
Fixed: ["Each one of you is resonating on a frequency that they have 'become'.]

Question: Contents The Coral Cruiser Trip is a combined Coral island and cruising excursion
Please fix the punctuation.
Fixed: [Contents: The Coral Cruiser Trip is a combined Coral island and cruising excursion.]

Question: A manufacturer of 3x3 watts 1 watt at GuangDong China
Please fix the punctuation.
Fixed: [A manufacturer of 3x3 watts 1 watt at GuangDong China.]

Question: It alleges that a member of the IT team told Navman of a potential gap in its system compared to its incumbent which could be a showstopper
Please fix the punctuation.
Fixed:
[It alleges that a member of the IT team told Navman of "a potential gap" in its system compared to its incumbent, which could be a "showstopper".]