Why is antibiotic resistance a public health problem? Antibiotics are called societal drugs, since antibiotic resistance can pass from bacterium to bacterium (see About antibiotic resistance), and resistant bacterial infections can pass from person to person. Thus, antibiotic use and antibiotic resistance can eventually affect an entire community.
1 To completely refinish a hardwood floorâmeaning sand it down to bare wood, then apply several coats of new finishâexpect to pay $1.50 to $4 per square foot, or $340 to $900 for a 15-by-15-foot room.  If your floor is slightly worn but otherwise in good condition, you could get by on just recoating it without sanding.
Hardwood floors have two main costs. The cost of the flooring, which ranges from about $4.50 per square foot and up. The cost of labor which typically runs between $3.00 to $5 â¦ .00 per square foot. There will be added costs if the contractor has to tear up an old floor.   So measure the room dimensions.