Flyashandslagfromcoal-firedpowerplantsfellby239,000tonnes.Otherwise,therearenolargefluctuationsevidentfortheindividualfractions.

Fly ash and slag from coal-fired power plants fell by 239,000 tonnes. Otherwise, there are no large fluctuations evident for the individual fractions.
[Q]: [Sometimelaterfewmorechangesfollowed.Itbecamenotsonoisyandadoublejackpotfeaturewasadded.Todecoratethemachineaseriesofdifferentdesignswereintroduced.]
[A]: [Some time later few more changes followed. It became not so noisy and a double jackpot feature was added. To decorate the machine a series of different designs were introduced.]
Problem: Add spaces: lithium-ionbatteryforalongoperatingtimeofupto90min/approx.100m2

Spaces added: lithium-ion battery for a long operating time of up to 90 min / approx. 100 m2
This text is missing some spaces, please add them: RouseauwasachildofEducation,agradualchangeinthefundamentalconceptsoflife.
Rouseau was a child of Education, a gradual change in the fundamental concepts of life.
input question: Fix spacing: PurpleSeriesPurpleShellandWhiteFreshwaterPearlFlowerNecklacewithBlackCord

output answer: Purple Series Purple Shell and White Freshwater Pearl Flower Necklace with Black Cord
input question: Fix spacing: PerhapsthesurprisingfactisthatConwaywasnottryingtodevelopnumbersystems,butratherwasanalysingthegameofGo.ConwaystudiedthegamesoftwoplayersofGoatCambridgewhowereofinternationalstandard.

output answer:
Perhaps the surprising fact is that Conway was not trying to develop number systems, but rather was analysing the game of Go. Conway studied the games of two players of Go at Cambridge who were of international standard.