It may alter aquatic food webs.
There is no reason to wax a tile floor.
How large is the aquarium? If its around 60 gallons, the answer is no if you live in a normal housing structure. Some people have had water beds on the second floor of a house without any problems. If you are overly concerned about this, you may already have a good feel for the answer.
because people think that it is a haunted floor back in the day when people had a 13th floor people always die or just disappear
Any exercise has the potential to injure your back if not done properly. If you are concerned, hire a personal trainer to show you the correct technique for pelvic floor exercises.
Yes you can as long as you are not concerned about damaging the underlying floor. If the floor is old and the finish in unimportant to you, you are fine. If you are looking at steam cleaning an area rug which is on a hardwood floor, that's a definite no-no and the as the water and steam can stain or buckle the hardwood.
There are a number of websites concerned with kitchen floor plans. Some of the most popular ones are: merrilat(.)com, allplanes(.)com, and ikea(.)com.
Chinese people do not eat on the floor. Japanese people do.
If the area below is heated, there's no reason to.Insulation is sometimes used to deaden sound, but as lofts are generally open, again, there's really no reason to.
the floor is too hard
They don't sit on the floor, the Japanese do.
floor
Low tables and sitting or sleeping on the floor is still traditional for Japanese people.