Add punctuation: Fourth is understanding pluspoints or rightnesses when present
A: Fourth is understanding pluspoints or rightnesses when present.

Add punctuation: In 1884 he began to study the effect which magnetization exerts on the polarization of reflected light
A: In 1884 he began to study the effect which magnetization exerts on the polarization of reflected light.

Add punctuation: With our vastly increased warehousing space we are able to reduce our lead times and focus on the things that matter to you as our customer
A:
With our vastly increased warehousing space we are able to reduce our lead times and focus on the things that matter to you as our customer.