cast off when piece measures 28-31-34-36-38 cm (or slip on a stitch holder to work the shoulders tog with grafting/kitchener st).

How would the previous sentence be correctly capitalized?
Answer: Cast off when piece measures 28-31-34-36-38 cm (or slip on a stitch holder to work the shoulders tog with grafting/kitchener st).
before you can open a sldasm file, you'll need to figure out what kind of file the sldasm file extension refers to.

How would the previous sentence be correctly capitalized?
Answer: Before you can open a SLDASM file, you'll need to figure out what kind of file the SLDASM file extension refers to.
mr birr-pedersen's previous position was project manager in the municipality of fredericia, where he was in charge of a public-private innovation partnership between the municipality of fredericia and dong energy.

How would the previous sentence be correctly capitalized?
Answer: Mr Birr-Pedersen's previous position was project manager in the municipality of Fredericia, where he was in charge of a public-private innovation partnership between the municipality of Fredericia and DONG Energy.
the exercise is to mix raw materials to a desired chemical composition.

How would the previous sentence be correctly capitalized?
Answer: The exercise is to mix raw materials to a desired chemical composition.