Add punctuation: Useful general accounts are also given in Haugen 1984 Karker 1996 Skard 1977 and rather fully in Skautrup 1970
A: Useful general accounts are also given in Haugen (1984), Karker (1996), Skard (1977), and rather fully, in Skautrup (1970).

Add punctuation: ICANN also has some ad hoc working groups where DIFO with Political Director Lise Fuhr has participated in ATRT link box among others and thus has helped to assess whether ICANN meets the requirements of reliability and transparency
A: ICANN also has some ad hoc working groups, where DIFO with Political Director Lise Fuhr has participated in ATRT (link box) among others, and thus has helped to assess whether ICANN meets the requirements of reliability and transparency.

Add punctuation: Product descriptions and specifications are based on information sites of manufacturers Scope of delivery performance and appearance of a vacuum cleaner Clever Clean 112A are subject to change without notice
A:
Product descriptions and specifications are based on information sites of manufacturers. Scope of delivery, performance and appearance of a vacuum cleaner Clever Clean 112A are subject to change without notice.