Problem: Add spaces: Donotdisconnecttheinstrumentuntiltheupgradeiscompleted.

Spaces added: Do not disconnect the instrument until the upgrade is completed.
This text is missing some spaces, please add them: Andthenyoustarttonoticethebeautyofduskforest.
And then you start to notice the beauty of dusk forest.
input question: Fix spacing: HomeENGLISHHowtocreateanindexinWord2016

output answer: Home ENGLISH How to create an index in Word 2016
Problem: But,notalltherecoverysoftwaresareefficientenoughtorecoverthedeletedphotofilesandoftendamagethefilesduringtherecoveryprocess.
What's a sentence that uses these characters?
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But, not all the recovery softwares are efficient enough to recover the deleted photo files and often damage the files during the recovery process.
Add spaces: Thegameofcrapshassocalledsmartbets,whichareeasytodefine.Thebetsyouchoosedeterminetheoutcome.

Answer: The game of craps has so called smart bets, which are easy to define. The bets you choose determine the outcome.
This text is missing some spaces, please add them: 19Andhisfatherrefused,andsaid,Iknowit,myson,Iknowit:healsoshallbecomeapeople,andhealsoshallbegreat:buttrulyhisyoungerbrothershallbegreaterthanhe,andhisseedshallbecomeamultitudeofnations.
19 And his father refused, and said, I know it, my son, I know it: he also shall become a people, and he also shall be great: but truly his younger brother shall be greater than he, and his seed shall become a multitude of nations.