question: recessed installation in exposed t-bar ceilings. (version for concealed ceilings on request.)
Capitalize this past sentence correctly.
A: Recessed installation in exposed T-bar ceilings. (Version for concealed ceilings on request.)

question: a game of poker with a fixed limit to the amount players can bet, and a prescribed number of raises.
Capitalize this past sentence correctly.
A: A game of poker with a fixed limit to the amount players can bet, and a prescribed number of raises.

question: from old stock, unused, from 1940-50.
Capitalize this past sentence correctly.
A: From old stock, unused, from 1940-50.