the new gardena comfort backpack sprayer 12 l is well suited for semi-professional use in large house gardens, as well as in orchards and for the care of grape vines.

How would the previous sentence be correctly capitalized?
Answer: The new GARDENA Comfort Backpack Sprayer 12 l is well suited for semi-professional use in large house gardens, as well as in orchards and for the care of grape vines.
in the spring henslow persuaded me to think of geology, and introduced me to sedgwick. during midsummer geologized a little in shropshire.

How would the previous sentence be correctly capitalized?
Answer: In the spring Henslow persuaded me to think of Geology, and introduced me to Sedgwick. During Midsummer geologized a little in Shropshire.
before you can open a xaf file, you'll need to figure out what kind of file the xaf file extension refers to.

How would the previous sentence be correctly capitalized?
Answer: Before you can open a XAF file, you'll need to figure out what kind of file the XAF file extension refers to.
almost all the saints in history have been the ones that such attacks have been directed toward. and most of them died of it.

How would the previous sentence be correctly capitalized?
Answer: Almost all the saints in history have been the ones that such attacks have been directed toward. And most of them died of it.