speaks spanish and english

How would the previous sentence be correctly capitalized?
Answer: Speaks Spanish and English
a strobe tachometer is a useful tool because you can't always get access to the machine shaft to stick a piece of reflective tape to use a laser tachometer or make contact with the moving shaft to use a contact tachometer - using a stroboscope you can "stop" the shaft down to 30 rpm (fpm).

How would the previous sentence be correctly capitalized?
Answer: A strobe tachometer is a useful tool because you can't always get access to the machine shaft to stick a piece of reflective tape to use a laser tachometer or make contact with the moving shaft to use a contact tachometer - using a stroboscope you can "stop" the shaft down to 30 RPM (FPM).
the houses seem to be fortified. within windows are wider, as the windows of the castles, para protegerse del exterior.

How would the previous sentence be correctly capitalized?
Answer: The houses seem to be fortified. Within windows are wider, as the windows of the castles, para protegerse del exterior.
there are loads of possibilities to enjoy a lager along the river bank - or to have something to eat.

How would the previous sentence be correctly capitalized?
Answer: There are loads of possibilities to enjoy a lager along the river bank - or to have something to eat.