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.
Typical labor costs for hardwood floors range from $6 to $8 per square foot, although some costs could go as high as $10 or $12 per square foot if this is a difficult installation. Maintenance. For most hardwoods, the maintenance is the same regardless of size, finish, or wood species.