tumbler(Noun) A beverage cup, typically made of stainless steel, that is broad at the top and narrow at the bottom commonly used in India. Tumbler(noun) one who tumbles; one who plays tricks by various motions of the body; an acrobat.
If you really want to keep Asian lady beetles away, you might consider changing the color of your house. The beetles are most attracted to buildings that are light in color, especially whites and yellows, so painting darker colors over your outside walls and trim would make them a less attractive landing place.
Here is how to use cheap plain white vinegar to get rid of hard water: For the refrigerator in-door dish: Pop the dish out, pour a little vinegar in it and let it sit for about 20 minutes. I use an old toothbrush and the hard water just wipes off without any scrubbing. To clean faucets: Soak some paper towels in vinegar and placed them on the areas with hard water. Fill a spray bottle filled with vinegar and spray the towels every time you walked past. After about 20 minutes take the towels off and scrub off the hard water with an old toothbrush.