Please capitalize where necessary: the main focus at the teknos booth are mouldings, interior doors, and ceiling and wall panelling.
A: The main focus at the Teknos booth are mouldings, interior doors, and ceiling and wall panelling.

Please capitalize where necessary: dust collector bag / cyclone, with a capacity of 5 l
A: Dust collector bag / cyclone, with a capacity of 5 l

Please capitalize where necessary: it gives about 70 percent of the average casino's income. 30 percent of the profits from gambling machines is given by problem gamblers.
A: It gives about 70 percent of the average casino's income. 30 percent of the profits from gambling machines is given by problem gamblers.

Please capitalize where necessary: the old mayas made astrological omens based on symmetries in time, subjects, and cyclic incidents, in fact, december 21, 2012, is by the mayas not the end of the world - doomsday is mainly a concept by the european church - but termination of a huge cycle having started on august 13, 3114 bc. immediately on the next day a new cycle will start.
A:
The old Mayas made astrological omens based on symmetries in time, subjects, and cyclic incidents, in fact, December 21, 2012, is by the Mayas not the end of the world - Doomsday is mainly a concept by the European Church - but termination of a huge cycle having started on August 13, 3114 BC. Immediately on the next day a new cycle will start.