Problem: Add spaces: allthethingsthatareusedorneededinanybusiness,undertakingoroperation(distinguishedfrompersonnel).

Spaces added: all the things that are used or needed in any business, undertaking or operation (distinguished from personnel).
This text is missing some spaces, please add them: ItisforanumberofoutstandingpopularbooksthatPenroseisperhapsbestknown.
It is for a number of outstanding popular books that Penrose is perhaps best known.
input question: Fix spacing: Thisisa20mmOerlikonanti-aircraftmachine-gun,whichfires450roundsperminutewithamuzzle-velocityof820m/sec.andarangeof2km.

output answer: This is a 20 mm Oerlikon anti-aircraft machine-gun, which fires 450 rounds per minute with a muzzle-velocity of 820 m/sec. and a range of 2 km.
Problem: ClickhereformoreinformationaboutTophamStreet.
What's a sentence that uses these characters?
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Click here for more information about Topham Street .
Add spaces: Putthelidonandcookonlowforabout5hours.

Answer: Put the lid on and cook on low for about 5 hours.
This text is missing some spaces, please add them: Buseswithluxuriouslyequippedinteriors(ergonomicallydesignedseats)
Buses with luxuriously equipped interiors (ergonomically designed seats)