Problem: Add spaces: Sometimesparentstopretendthattheydidnotseethechildmisconduct.

Spaces added: Sometimes parents to pretend that they did not see the child misconduct.
This text is missing some spaces, please add them: ByDecember1936shewasforcedtotakesickleavewhichwassupposedtoendinAugust1937sothatshecouldtakeupteachingagainfortheacademicyear1937-38.
By December 1936 she was forced to take sick leave which was supposed to end in August 1937 so that she could take up teaching again for the academic year 1937-38.
input question: Fix spacing: Backpainsduetolackofmovementareoneofthemostfrequentreasonsforbeingabsentatworkorforgeneraldiscomfort.

output answer: Back pains due to lack of movement are one of the most frequent reasons for being absent at work or for general discomfort.
Problem: "TheopportunityofworkingtogetherwithPROKONonthisnewproductdesignisexcitingforus,"saysJukka-PekkaMakinen,PresidentandCEOofTheSwitch."BasedonourextensiveexpertisewithPMG,wewillbebringingathirdgenerationdirectdrivePMGwithfirst-classtechnicalfeaturesandmanufacturabilitytothemarket.
What's a sentence that uses these characters?
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" The opportunity of working together with PROKON on this new product design is exciting for us," says Jukka-Pekka Makinen, President and CEO of The Switch. "Based on our extensive expertise with PMG, we will be bringing a third generation direct drive PMG with first-class technical features and manufacturability to the market.
Add spaces: Aplayerisalsogivenafinitenumbernudgesfollowingaspin.Asingle-steprotationofareeloftheplayer'schoiceisacalledanudge.

Answer: A player is also given a finite number nudges following a spin. A single-step rotation of a reel of the player's choice is a called a nudge.
This text is missing some spaces, please add them: Replacethemediumwhichhasflowedthroughwith300loffreshmediumandalsofillthesecondtissueculturecompartmentwith300loffreshmedium.
Replace the medium which has flowed through with 300 l of fresh medium and also fill the second tissue culture compartment with 300 l of fresh medium.