Please capitalize where necessary: float position for stabilizer hydraulic z3 (mx 18)
A: Float position for stabilizer hydraulic Z3 (MX 18)

Please capitalize where necessary: in 1972, having reached 65 years of age, he retired from scicon.
A: In 1972, having reached 65 years of age, he retired from SciCon.

Please capitalize where necessary: details about an individual for charlotte juhl
A: Details about an individual for Charlotte Juhl

Please capitalize where necessary: the jewish captors who killed the russian czar and his family, at the end of the first twentieth century war, quoted this precedent in a couplet "written on the wall" of the room where the massacre occurred; the nazi leaders, at the end of the second twentieth century war, were hanged on the jewish day of atonement.
A:
The Jewish captors who killed the Russian Czar and his family, at the end of the First Twentieth Century war, quoted this precedent in a couplet "written on the wall" of the room where the massacre occurred; the Nazi leaders, at the end of the Second Twentieth Century war, were hanged on the Jewish Day of Atonement.