Please capitalize where necessary: unlike chianti, chianti classico identifies the exact, original places where the internationally renowned grape variety was (and still is) produced, extending through florence, siena and the relative provinces.
A: Unlike Chianti, Chianti Classico identifies the exact, original places where the internationally renowned grape variety was (and still is) produced, extending through Florence, Siena and the relative provinces.

Please capitalize where necessary: ps' represents the price received by the producers, which is the price paid by consumers plus the subsidy.
A: Ps' represents the price received by the producers, which is the price paid by consumers plus the subsidy.

Please capitalize where necessary: this programme can be used to abdomen/back exercises on an exercise ball.
A: This programme can be used to abdomen/back exercises on an exercise ball.

Please capitalize where necessary: the quilted down vest has a light down filling and weighs close to nothing (95 grams).
A:
The quilted down vest has a light down filling and weighs close to nothing (95 grams).