Whatdoesthatmeanexactly?

What does that mean exactly?
[Q]: [ThefastestandeasiestwaytoopenyourDIZfileistodouble-clickit.]
[A]: [The fastest and easiest way to open your DIZ file is to double-click it.]
Problem: Add spaces: Untiltheproblemhasbeensolved,manyaccidentscanbepreventedbywakingthechildonceinthemiddleofthenightandtakinghim/hertothebathroom.

Spaces added: Until the problem has been solved, many accidents can be prevented by waking the child once in the middle of the night and taking him/her to the bathroom.
This text is missing some spaces, please add them: b)Cementkilnsfiringhazardouswaste.b)ThermalprocessesinthemetallurgicalindustrynotmentionedinPartII.
b) Cement kilns firing hazardous waste. b) Thermal processes in the metallurgical industry not mentioned in Part II.
input question: Fix spacing: TreviFountain-photos,Rome-Italy,photosofRome

output answer: Trevi Fountain - photos, Rome - Italy, photos of Rome
input question: Fix spacing: milk,lactating,Romanian,bbw

output answer:
milk, lactating, Romanian, bbw