Add punctuation: Downlight luminaires for Recessed mounting diameter 200mm IP20 light source TCDE 1x26W ballast type DALI digital addressable lighting interface with light source type CRI80 4000K optic type SF Silver faceted reflector
A: Downlight luminaires, for Recessed mounting, diameter 200mm, IP20, light source TC-DE, 1x26W, ballast type DALI = digital addressable lighting interface , with light source type CRI>80, 4000K, optic type SF = Silver faceted reflector.

Add punctuation: And there happened to be there a base fellow whose name was Sheba the son of Bichri a Benjamite and he blew the trumpet and said We have no portion in David neither have we inheritance in the son of Jesse every man to his tents O Israel
A: And there happened to be there a base fellow, whose name was Sheba, the son of Bichri, a Benjamite: and he blew the trumpet, and said, We have no portion in David, neither have we inheritance in the son of Jesse: every man to his tents, O Israel.

Add punctuation: He says in his book that organic compounds were not sufficiently researched for exact description That is why he wanted to delay his report on the nature of organic compounds to the next edition of his textbook
A:
He says in his book that organic compounds were not sufficiently researched for exact description. That is why he wanted to delay his report on the nature of organic compounds to the next edition of his textbook.