Step ladders have evolved to be sturdy enough and small enough for them to be a household mainstay. Almost anyone, for example, engages in tasks that need a step stool and a step ladder. If you must dust the top of the fridge, or reach up to a normal height, then a step stool will do. For anything higher than the fridge, you can always use a step ladder to change bulbs and dust the chandelier. If you need to paint near the ceiling of fix up the house from a height, then you might need platform ladders. There are even ladders that can serve multiple functions. These combination ladders can be used a step ladder and a stairway ladder.