Problem: Add spaces: Duringtheperiodfrom1914to1915hewasadeputyattheTeacherStudiesinUppsala,partlyasprofessorofmathematicsatUppsalaUniversity(7May-27May1920)andthen,from9July1920,hewasappointedasprofessorofdescriptivegeometryattheRoyalInstituteofTechnology(KTH)inStockholm,apostwhichhehelduntil1927.

Spaces added: During the period from 1914 to 1915 he was a deputy at the Teacher Studies in Uppsala, partly as professor of mathematics at Uppsala University (7 May - 27 May 1920) and then, from 9 July 1920, he was appointed as professor of descriptive geometry at the Royal Institute of Technology (KTH) in Stockholm, a post which he held until 1927.
This text is missing some spaces, please add them: ErrorWhileMakingDataTransfer:Foldersarecollectionoffilesandsubfolders,whichweusuallyneedtobackuponharddrive.
Error While Making Data Transfer: Folders are collection of files and subfolders, which we usually need to backup on hard drive.
input question: Fix spacing: Thesefactsleadonwardtoachapterthatatthattimecausedanenormousoutrage.

output answer: These facts lead onward to a chapter that at that time caused an enormous outrage.
Problem: Returnspring:AISI302stainlesssteel.
What's a sentence that uses these characters?
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Return spring: AISI 302 stainless steel.
Add spaces: AmateurphotographercapturestheentireMilkyWaywith37440shots

Answer: Amateur photographer captures the entire Milky Way with 37440 shots
This text is missing some spaces, please add them: Andhesaid,ItisElijahtheTishbite.9Thenthekingsentuntohimacaptainoffiftywithhisfifty.Andhewentuptohim:and,behold,hesatonthetopofanhill.Andhespakeuntohim,ThoumanofGod,thekinghathsaid,Comedown.
And he said, It is Elijah the Tishbite. 9 Then the king sent unto him a captain of fifty with his fifty. And he went up to him: and, behold, he sat on the top of an hill. And he spake unto him, Thou man of God, the king hath said, Come down.