Thisisthesecondtime,Ithought,mylifeisinthehandsofasingleperson.

This is the second time, I thought, my life is in the hands of a single person.
[Q]: [swivelcastorwithbrake,200mm,vulcanizedelasticrubbertires,300KG-Castorwheelsexpert]
[A]: [swivel castor with brake, 200mm, vulcanized elastic rubber tires, 300KG - Castor wheels expert]
Problem: Add spaces: Tagsforthisimage:Douce,Holbein

Spaces added: Tags for this image: Douce, Holbein
This text is missing some spaces, please add them: Thispaper,inwhichMongegeneralisedtheresultsobtainedbyHuygensonspacecurves(aspartofHuygens'sinvestigationofthependulum)andaddedmanyimportantnewdiscoveries,isdescribedindetailin.
This paper, in which Monge generalised the results obtained by Huygens on space curves (as part of Huygens 's investigation of the pendulum) and added many important new discoveries, is described in detail in .
input question: Fix spacing: ThemostrecentbookingforthishotelwasmadeonJul19at05:12fromBelgium.

output answer: The most recent booking for this hotel was made on Jul 19 at 05:12 from Belgium.
input question: Fix spacing: Theycanalsobepoorlychelated,whichistosaynotboundtooptimaldeliverymolecules.

output answer:
They can also be poorly chelated, which is to say not bound to optimal delivery molecules.