This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to clean hardwood floors with vinegar
Sweep or vacuum your floor.
Remove all dust and debris. If left on the floor while you mop, they can scratch your floor.

Select from the following.
[-] Do this if you are working with dirt, flat earth, or the like. Get rid of streaks or noticeable stains.
[-] Vacuum any built up dirt as best as you can. Sweep away any debris, including dirt, shavings, or dust accumulating on your floor during the cleaning process.
[-] Use a dust mop after sweeping or dusting to remove fine dust particles. Sweep or vacuum regularly to keep floors clean and reduce the need for mopping.
[-] If you have as much energy and effort into the work as possible, you may opt to clean each step of the floor yourself. If you feel you must sweep or vacuum your floors at home, hire a contractor.
The answer is:
Use a dust mop after sweeping or dusting to remove fine dust particles. Sweep or vacuum regularly to keep floors clean and reduce the need for mopping.