Add punctuation: In 1972 1980 worked as a fine arts cadre in the Ministry of Railways of China Chengdu Railway Branch
A: In 1972 -1980 worked as a fine arts cadre in the Ministry of Railways of China, Chengdu Railway Branch.

Add punctuation: Give me a sign for good so that my haters may see it and be shamed because you Lord have been my help and comfort
A: Give me a sign for good; so that my haters may see it and be shamed; because you, Lord, have been my help and comfort.

Add punctuation: The company is a leading manufacturer of highquality castors in the Nordic countries
A:
The company is a leading manufacturer of high-quality castors in the Nordic countries.