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).
wavenet central node with protective function for auto-configuration with usb-/868 mhz radio interface to connect to a pc/server; in anthracite-coloured housing wnm.cn.ur.io

How would the previous sentence be correctly capitalized?
Answer: WaveNet Central Node with protective function for auto-configuration with USB-/868 MHz radio interface to connect to a PC/server; in anthracite-coloured housing WNM.CN.UR.IO
gnome intends to build a complete, user-friendly desktop based entirely on free software.

How would the previous sentence be correctly capitalized?
Answer: GNOME intends to build a complete, user-friendly desktop based entirely on free software.
it is now generally conceded, in the western world at least, that women being one half of the human race should be accorded the same rights as the other half.

How would the previous sentence be correctly capitalized?
Answer: It is now generally conceded, in the western world at least, that women being one half of the human race should be accorded the same rights as the other half.