Problem: Add spaces: Itisinthenatureofscientificprogressthathypothesesgetputforwardandtested.

Spaces added: It is in the nature of scientific progress that hypotheses get put forward and tested.
This text is missing some spaces, please add them: FabricsWeaving|manufacturersupplierfromTaiwanwholesalerdistributor
Fabrics Weaving | manufacturer supplier from Taiwan wholesaler distributor
input question: Fix spacing: Theprogrammewasoverwhelmingincludingnolessthan4worldchampions,a6-nationsteammatchinfact7astheWorldteamwas2Germanand2Swedishriders,anattempttosetanewworldspeedrecordonlongtrack,aninternationalexpertclassandaninternationalsidecarclass.

output answer: The programme was overwhelming including no less than 4 world champions, a 6-nations team match in fact 7 as the World team was 2 German and 2 Swedish riders, an attempt to set a new world speed record on long track, an international expert class and an international sidecar class.
Problem: Bytheexpressionsin(17.1)and(17.6)wecancalculatetherelativevariationintimeofPandR.Weget:
What's a sentence that uses these characters?
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By the expressions in (17.1) and (17.6) we can calculate the relative variation in time of P and R. We get:
Add spaces: Ifyouplayroulette(agamewhereplayersbetontheballlandingplaceafterthewheelstops),youwillknowtheconceptofsurrender(alsoknownasjail).

Answer: If you play roulette (a game where players bet on the ball landing place after the wheel stops), you will know the concept of surrender (also known as jail).
This text is missing some spaces, please add them: Andthisishowyourenewawine.
And this is how you renew a wine.