This text is missing some spaces, please add them: AshortintroductiontothelifeandworkofEmilAarestrup
A short introduction to the life and work of Emil Aarestrup
input question: Fix spacing: D70518390Downlightluminaires,forRecessedmounting,diameter122mm,IP44fromunderneath,lightsourceLED,lumenout857lm,ballasttypeHF=Highfrequency,withlightsourcetypeCRI>80,4000K,optictypeSM-Silvermattreflecor.

output answer: D70518390 Downlight luminaires, for Recessed mounting, diameter 122mm, IP44 from underneath, light source LED, lumen out 857lm, ballast type HF = High frequency, with light source type CRI>80, 4000K, optic type SM - Silver matt reflecor.
Problem: classic:manual,speedintervals,peakintervals,weightreduction
What's a sentence that uses these characters?
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classic: manual, speed intervals, peak intervals, weight reduction
Add spaces: Thealluvialclaywasstabilizedwithsandcolumnsasdescribedabove.

Answer: The alluvial clay was stabilized with sand columns as described above.
Suchservicesmaybesubjecttoadditionalcharges,whichmaynotbeincludedinthepackageprice.

Such services may be subject to additional charges, which may not be included in the package price.
Add spaces: Immediatelyreadytouse

Answer:
Immediately ready to use