question: gates is the world’s largest manufacturer belts of and is a leader in hi-tech rubber belts.
Capitalize this past sentence correctly.
A: Gates is the world’s largest manufacturer belts of and is a leader in hi-tech rubber belts.

question: this book is not intended as mentioned before, to be a technical or professional scientific work.
Capitalize this past sentence correctly.
A: This book is not intended as mentioned before, to be a technical or professional scientific work.

question: the italian seaside town alassio located in the region of liguria, north-east of the french border. alassio is one of the many beautiful seaside resorts on the italian riviera.
Capitalize this past sentence correctly.
A: The Italian seaside town Alassio located in the region of Liguria, north-east of the French border. Alassio is one of the many beautiful seaside resorts on the Italian Riviera.