many people actually believe that the widespread use of lead in old roman housekeeping caused the fall of the roman empire.

How would the previous sentence be correctly capitalized?
Answer: Many people actually believe that the widespread use of lead in old Roman housekeeping caused the fall of the Roman Empire.
individuals with surname petjatnikof

How would the previous sentence be correctly capitalized?
Answer: Individuals with surname PETJATNIKOF
use special baggage desks: baggage drop-off desks are available to you to leave your baggage at.

How would the previous sentence be correctly capitalized?
Answer: Use special baggage desks: Baggage drop-off desks are available to you to leave your baggage at.
ras6: employed by municipality of residence, industry (27-groups), job title and sex (discontinued) (1993-1996)

How would the previous sentence be correctly capitalized?
Answer: RAS6: Employed by municipality of residence, industry (27-groups), job title and sex (DISCONTINUED) (1993-1996)