QUES: Stefans research combines advanced mathematics statistics and computer science to develop new tools to analyze complicated datatypes for example the shape of organs datatypes which generally are nonlinear

correct the punctuation.

CORRECTED: Stefans research combines advanced mathematics, statistics and computer science to develop new tools to analyze complicated datatypes, for example the shape of organs datatypes which generally are nonlinear.
Question: Leading enterprises trust our knowhow
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Answer: Leading enterprises trust our know-how.
High Quality Single Strand 89mm Natural Black Freshwater Pearl Necklace With 925 Sterling Silver Chains No Box Bjbeadcom

Can you repeat this sentence, but add in punctuation?
High Quality Single Strand 8-9mm Natural Black Freshwater Pearl Necklace With 925 Sterling Silver Chains (No Box) - Bjbead.com
input: Industrial Swivel caster with brake from pressed steel plate fitting Vulcanized Polyurethane tread precision ball bearing Wheel 125mm 200KG
fixed: Industrial Swivel caster with brake from pressed steel, plate fitting, Vulcanized Polyurethane tread, precision ball bearing, Wheel- 125mm, 200KG
input ---- Resource savings achieved based on the existing waste treatment for the various materials calculated in PR personreserves
output ---- Resource savings achieved based on the existing waste treatment for the various materials, calculated in PR (person-reserves).
Add punctuation: Although modern techniques allow for things previously unheard of it is the fact that artists in years past managed to achieve the impossible that continues to draw us towards the renaissance art they helped to create
A:
Although modern techniques allow for things previously unheard of, it is the fact that artists in years past managed to achieve the impossible that continues to draw us towards the renaissance art they helped to create.