Add punctuation: By 1984 the Writers Union was calling for more Sovietstyle social realism in Bulgarian literature
A: By 1984 the Writers' Union was calling for more Soviet-style social realism in Bulgarian literature.

Add punctuation: This group includes led fire work light FWL10
A: This group includes: led fire work light FWL10

Add punctuation: The versatile Nobo Folding Frame combines a TCard planning board inside with an outer surface suitable for writing or a magnetic display The white coated metal casing is
A:
The versatile Nobo Folding Frame combines a T-Card planning board inside, with an outer surface suitable for writing or a magnetic display. The white coated metal casing is...