You'd only be allowed outside to go to work or to the supermarket or pharmacy. All other shops closed. So factories and office buildings mostly stay open, just

You'd only be allowed outside to go to work or to the supermarket or pharmacy. All other shops closed. So factories and office buildings mostly stay open, just more reduced (home office as much as possible). Every country has different limits currently. China indeed locked doors (with tape) to check if people stayed it, food delivery only through windows.