How do I make a SEO perspective url in Wordpress?

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PHP

WordPress

I want a url a like, when I click a category [named Customer] then the url look like www.myproject.com/Customer

then in the page of the category when I click a Item [named worker] then the url look like
www.myproject.com/Customer/worker

sortly the way of clicking or the sequence of clicking. If I click Customer--->worker--->name
then the url look like www.myproject.com/Customer/worker/name