Please capitalize where necessary: "to suggest a group of our colleagues have traits that make them less biologically suited to that work is offensive and not ok.
A: "To suggest a group of our colleagues have traits that make them less biologically suited to that work is offensive and not OK.

Please capitalize where necessary: compact dimensions allow access into tight areas.
A: Compact dimensions allow access into tight areas.

Please capitalize where necessary: approximately 70% of the route is on tarmac
A: Approximately 70% of the route is on tarmac

Please capitalize where necessary: we are situated in a quiet area, we offer a comfortable place to stay in all holiday apartments, suitable to stay for couples, families and groups.
A:
We are situated in a quiet area, we offer a comfortable place to stay in all holiday apartments, suitable to stay for couples, families and groups.