Problem: Add spaces: TheTwinResearchUnitatStThomasHospitalinLondonlookedat254femaletwinstofindoutwhattheyfoundfunny.

Spaces added: The Twin Research Unit at St Thomas Hospital in London looked at 254 female twins to find out what they found funny.

Problem: Add spaces: 18?or24?hotel-styletowelshelfwithbathtowelbarmakesgreatuseofsmallspaces.

Spaces added: 18? or 24? hotel-style towel shelf with bath towel bar makes great use of small spaces.

Problem: Add spaces: DL-potassiumhydrogentartrate-ChinaHailanBio-fasahar

Spaces added: DL-potassium hydrogen tartrate - China Hailan Bio-fasahar

Problem: Add spaces: OnthemarchbackItalianprisonersofwarweretransportedtothemainland.

Spaces added:
On the march back Italian prisoners of war were transported to the mainland.