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

How to clean concrete steps
Sweep the steps.
Use a broom to sweep away dirt and debris from the concrete steps. Sweep the steps until they are completely free of dirt and debris.

pick from the following. [+] Hold the broom at a 45 degree angle to the concrete steps and sweep at a steady speed. Use a concrete rake to get into crevices.; [+] A sweep is especially good for concrete steps that have already been dusted, since dirt and debris will be removed easily. If you don't own a broom that you can use on concrete steps, you may be able to rent one for your home.; [+] This will prep the concrete for the cleaning process. Alternatively, you can use a leaf blower to remove dirt and debris from the steps.; [+] You don't have to remove the concrete steps completely, just find the areas around the concrete. Broom debris should be clearly visible when you are finished.;
The answer is:
This will prep the concrete for the cleaning process. Alternatively, you can use a leaf blower to remove dirt and debris from the steps.