The former is an extension of mail processing
The thing that came before is a part of the mail sorting and preparing for delivery methods.
The first thing is not related to mail.
National savings can cause an economy to perform poorly.
A clean shaven man is doing graffiti on buildings downtown.
Johor cleverly became a partner of London rather than a subject.
a ball is about to be thrown at a dog.
Lukacs implies that Hitler won.
A woman is sleeping in bed.