Problem: Add spaces: Ifaninfectionentersfromdecaycavity,oratoothcracktothepulplocatedintherootcanal,thecanalmustbetreated.

Spaces added: If an infection enters from decay cavity, or a tooth crack to the pulp located in the root canal, the canal must be treated.
This text is missing some spaces, please add them: Youcanfindpopulartruckparkinggamesatgamecr,youwillshowparkingtrucksandtrailers.Gamecrforfun.
You can find popular truck parking games at gamecr, you will show parking trucks and trailers. Gamecr for fun.
input question: Fix spacing: Forthefastestandeasiestwaysimplyfillintheformbelowandwe'llreplytoyoushortly.

output answer: For the fastest and easiest way simply fill in the form below and we'll reply to you shortly.
Problem: ThethirdbookisdealswithIFCexchange,projectweb,coordinationandqualityassuranceaswellasthecalculationandplanningforthecontractor.
What's a sentence that uses these characters?
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The third book is deals with IFC exchange, project web, coordination and quality assurance as well as the calculation and planning for the contractor.
Add spaces: Thismeansalotofspeechflowinginalldirections,resultinginescalatingsoundlevelsandimpairedspeechclarityoverthephone.

Answer: This means a lot of speech flowing in all directions, resulting in escalating sound levels and impaired speech clarity over the phone.
This text is missing some spaces, please add them: Theyachievedthis,butonlyafterquiteaneffortforFelixhadhisheartsetontheidea,andafterthisheturnedtowardsmathematicsasthesubjecttostudyatuniversity.
They achieved this, but only after quite an effort for Felix had his heart set on the idea, and after this he turned towards mathematics as the subject to study at university.