This text is missing some spaces, please add them: Erlangsetforthanewprincipleforthecalculationofcertainformsofmathematicaltables,especiallytablesoflogarithms...
Erlang set forth a new principle for the calculation of certain forms of mathematical tables, especially tables of logarithms...
input question: Fix spacing: 2yearsago21:18xHamsternurse,oldandyoung(18+),nipples,facial

output answer: 2 years ago 21:18 xHamster nurse, old and young (18+), nipples, facial
Problem: Vintageinspiration:thebigwintercoatshoppingguide
What's a sentence that uses these characters?
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Vintage inspiration: the big winter coat shopping guide
Add spaces: ApartmentsofferedbyusinPragueitarecomfortableandcosy,modernareequipped,theywillhelptospendunforgettablerestinPrague.

Answer: Apartments offered by us in Prague it are comfortable and cosy, modern are equipped, they will help to spend unforgettable rest in Prague.
AVG'sInvisibilityGlassespromisetoprotectyourprivacyinpublic|xComputer

AVG's Invisibility Glasses promise to protect your privacy in public | xComputer
Add spaces: Youcanselectthemostsuitablepaymentmethod:PayPal,creditcard,check,banktransferetc.

Answer:
You can select the most suitable payment method: PayPal, credit card, check, bank transfer etc.