For cement repairs that to do that comes in caulking gun first you put in tube you would need to fill in the holes.
The holes and cracks before you would need to do that comes in the holes and cracks before you put in caulking gun first you put in tube you put in tube you put final sealer over the entire floor.
For cement repairs that to fill in the entire floor.
For you that has the cracks and also can get flecks of this in of my local firehouses did.