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.
As with any home improvement project, the cost of refinishing hardwood floors varies based on location, floor material, floor condition and other factors. The average cost to refinish hardwood floors is $970 to $1,250 per 300 square feet -- the average reported size of a kitchen in 2012.That cost can easily rise depending on the specific floors, their condition and extra enhancements. Increased square footage: Of course, the more square feet included in a project, the more it will cost. 2  The cost of refinishing an average 15x15 (225 square feet) room is $340 to $900, costing anywhere from $1.50 to $4.00 per square foot.