Problem: Add spaces: Previouslypainted,butnowprettilylacqueredandpolishedtorevealwonderfulpatina.

Spaces added: Previously painted, but now prettily lacquered and polished to reveal wonderful patina.
This text is missing some spaces, please add them: Thisgroupincludes:144pcsledT8,120cm
This group includes: 144 pcs led T8,120cm
input question: Fix spacing: Anysupplementthathelpsboostmetabolismcanbeconsideredametabolismboostingsupplement.

output answer: Any supplement that helps boost metabolism can be considered a metabolism boosting supplement.
Problem: *SomeAT5fileextensionformatscanbeopenedinbinaryformatonly.
What's a sentence that uses these characters?
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* Some AT5 file extension formats can be opened in binary format only.
Add spaces: Polandhadbeenpartitionedin1772withthesouthwascalledGaliciaandunderAustriancontrolwhileRussiaandPrussiacontrolledtherestofthecountry.

Answer: Poland had been partitioned in 1772 with the south was called Galicia and under Austrian control while Russia and Prussia controlled the rest of the country.
This text is missing some spaces, please add them: Otherwise,alightinginstallationwithvisiblecolourdifferencesmaybetheoutcome.
Otherwise, a lighting installation with visible colour differences may be the outcome.