Please capitalize where necessary: the filter is a 3-micron absolute filter with avery high dirt-holding capacity and a cellulose-based filter insert that removes particles, retains oil degradation products (oxidation resin/sludge, varnish), and absorbs dissolved / emulsified and free water from oil.
A: The filter is a 3-micron absolute filter with avery high dirt-holding capacity and a cellulose-based filter insert that removes particles, retains oil degradation products (oxidation resin/sludge, varnish), and absorbs dissolved / emulsified and free water from oil.

Please capitalize where necessary: in his coming performance he pushes the boundaries of gravity and the human body as far as they can go.
A: In his coming performance he pushes the boundaries of gravity and the human body as far as they can go.

Please capitalize where necessary: “a picture speaks a thousand words”.
A: “A picture speaks a thousand words”.

Please capitalize where necessary: try to turn all squares in the board into red!
A:
Try to turn all squares in the board into red!