Please capitalize where necessary: the kit contains instruction,a picture, material, pattern, yarn and a needle.
A: The kit contains instruction,a picture, material, pattern, yarn and a needle.

Please capitalize where necessary: the cardiostrong treadmill tx50 offers training variety as well: speed can be varied from 0.8 - 20 km/h and incline from 0 - 15 %. the workout can be continuously adjusted to your progress.
A: The cardiostrong treadmill TX50 offers training variety as well: speed can be varied from 0.8 - 20 km/h and incline from 0 - 15 %. The workout can be continuously adjusted to your progress.

Please capitalize where necessary: in the technical track, marco davids had an interesting session regarding hacking and dns safety and security.
A: In the technical track, Marco Davids had an interesting session regarding hacking and DNS safety and security.

Please capitalize where necessary: against this background of "pressure" on an ailing president through the party-managers and of one more campaign about "the persecution of the jews" (symbolized, this time, by israel) the year of the presidential election began.
A:
Against this background of "pressure" on an ailing President through the party-managers and of one more campaign about "the persecution of the Jews" (symbolized, this time, by Israel) the year of the presidential election began.