question: the net benefit of the projects is just the sum of the present value of the benefits less the present value of the costs.
Capitalize this past sentence correctly.
A: The net benefit of the projects is just the sum of the present value of the benefits less the present value of the costs.

question: at half past six we stroll along the sea front, where young couples flirt in the twilight, before we go to "arsenio" in rua santa maria, the restaurant we passed yesterday evening.
Capitalize this past sentence correctly.
A: At half past six we stroll along the sea front, where young couples flirt in the twilight, before we go to "Arsenio" in Rua Santa Maria, the restaurant we passed yesterday evening.

question: this unique system for additive manufacturing will be introduced by one of its creators, arburg managing director technology & engineering herbert kraibühler.
Capitalize this past sentence correctly.
A: This unique system for additive manufacturing will be introduced by one of its creators, ARBURG Managing Director Technology & Engineering Herbert Kraibühler.