Gym floors are typically made of natural hickory hardwood
hardwood
Kirkland paper towels are typically made from a blend of softwood and hardwood fibers sourced from sustainable forests. These fibers are processed, pulped, and then formed into sheets which are used to make the paper towels. The specific composition may vary by product line and manufacturer.
Personally, my favorite cleaning product for hardwood floors is Pinesol. It cleans well and has a good smell that lasts. There are also several different types of products made just for hardwood floors. Whatever you decide to use, read the label and it should tell you if it is safe to use on hardwood floors or not.
They aren't - but are typically made of ash or maple. This is a matter of wood strength and weight with the least chance of warping.
Bedroom armoires are also known as wardrobes. They tend to be made of wood, with the more expensive being made from a hardwood such as oak, and the cheaper ones being made from pine or MDF or chipboard. The advantage of hardwood over softwood is its strength and therefore longevity.
The yangqin is a Chinese hammered dulcimer made from wood. The body of the instrument is typically made from a type of softwood, while the soundboard is often made from a hardwood like rosewood or paulownia.
Cheese
The product of 4X3 is 12 I made a new product
The clarinet is typically made out of African hardwood called grenadilla wood. Some clarinets may also be made from other materials such as plastic or composite materials.
Warm water with a nice amount of vinegar helps make it shine and also cleans them. No soap unless it is a product that is made for hardwood floors. I use Murphy Oil Soap but not every time.
Cheese