we use contracted specialists to provide the professional human translation and dtp services advertised on our site.

How would the previous sentence be correctly capitalized?
Answer: We use contracted specialists to provide the professional human translation and DTP services advertised on our site.
the time it takes to fully charge the battery.

How would the previous sentence be correctly capitalized?
Answer: The time it takes to fully charge the battery.
this new baler/wrapper combination has been designed so that its transport width remains restricted to a mere 2.80 m with a length of only 5.90 m! combined with the wide tyres, the upshot is an outstandingly manoeuvrable, stable and versatile machine.

How would the previous sentence be correctly capitalized?
Answer: This new baler/wrapper combination has been designed so that its transport width remains restricted to a mere 2.80 m with a length of only 5.90 m! Combined with the wide tyres, the upshot is an outstandingly manoeuvrable, stable and versatile machine.
the penthouse apartments consist of two floors and located on the two upper layers of the three apartment buildings with a total of only three floors.

How would the previous sentence be correctly capitalized?
Answer: The penthouse apartments consist of two floors and located on the two upper layers of the three apartment buildings with a total of only three floors.