Please capitalize where necessary: filling for doorstop size 20 x 80 cm
A: Filling for doorstop size 20 x 80 cm

Please capitalize where necessary: championnat de belgique interclub (09/10/2016)
A: Championnat de Belgique Interclub (09/10/2016)

Please capitalize where necessary: now you: are you using sleep mode or other power saving modes on your pc?
A: Now You: Are you using sleep mode or other power saving modes on your PC?

Please capitalize where necessary: finish the song, disguised in small stems spunzh goldenrod (solidago) and euonymus. then insert a few stalks of dry fern, to refresh some heavy center.
A:
Finish the song, disguised in small stems spunzh goldenrod (Solidago) and euonymus. Then insert a few stalks of dry fern, to refresh some heavy center.