Add punctuation: Ragnar Kjartansson was born in 1976 in Reykjavk Iceland where he lives and works
A: Ragnar Kjartansson was born in 1976 in Reykjavik (Iceland), where he lives and works.

Add punctuation: About X4068 Simple Long Style Round Black Agate Beads Necklace with Buddha Head and Brown Tasselcan also be as bracelet
A: About X4068 : Simple Long Style Round Black Agate Beads Necklace with Buddha Head and Brown Tassel(can also be as bracelet)

Add punctuation: If instead you are working in your host country for a local public sector body without being a national of the country you will count as a migrant worker
A:
If instead you are working in your host country for a local public sector body without being a national of the country, you will count as a migrant worker.