Complex sentence: This acted as a catalyst for several restoration schemes, including the Sleaford Navigation, which was initially centred on the canal head in Sleaford, and promoted by the Sleaford Civic Society.
Split into simpler sentences: This acted as a catalyst for several restoration schemes, including one for the Sleaford Navigation. This plan initially centred on the canal head in Sleaford, and promoted by the Sleaford Civic Society.