Problem: Add spaces: Newcoloursandbackgroundphotosaren'ttheonlythingsthatmakeyourphoneuniqueyoucanchangethesizeofyourTilessoyoucanseemoreappsataglanceonStart,andkeepyourfavouriteappsorganisedandeasilyavailablebygroupingyourTilesintofolders.

Spaces added: New colours and background photos aren't the only things that make your phone unique you can change the size of your Tiles so you can see more apps at a glance on Start, and keep your favourite apps organised and easily available by grouping your Tiles into folders.
This text is missing some spaces, please add them: Neverputthehotcookwareonanunprotectedsurface.
Never put the hot cookware on an unprotected surface.
input question: Fix spacing: InhisletterofrecommendationHilbertwrote:

output answer: In his letter of recommendation Hilbert wrote:
Problem: 29Butwhenthefruitisbroughtforth,immediatelyheputtethinthesickle,becausetheharvestiscome.
What's a sentence that uses these characters?
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29 But when the fruit is brought forth, immediately he putteth in the sickle, because the harvest is come.
Add spaces: EnjoyyourgardenandletyourSprinklersdothework

Answer: Enjoy your garden and let your Sprinklers do the work
This text is missing some spaces, please add them: RAAV:Manufacturers'purchaseofrawmaterialsbycommoditygroup(6digits)andunit
RAAV: Manufacturers' purchase of raw materials by commodity group (6 digits) and unit