And finally, while it wasn't the main goal of the study, the findings may yield a new way to generate T-rays, which are somewhat difficult to generate. T-rays can detect a variety of weapons and explosives, and may have applications in medicine, for example, in skin cancer-detecting devices.
1 Users on the forum, Gardenweb.com, claimed that they had prices that ranged anywhere from $500 to more than $3,000 to fix their chimney. 2  Common repairs included tuckpointing, inserting a new liner, and replacing the cap. 3  Atekmasonry.com states that the average chimney repair is going to be between $300 to $1,000. This does not have to be the case at all. 2  The old saying âan ounce of prevention is worth pounds of cureâ is true when it comes to chimneys. 3  A simple cap replacement can cost $200 to $500. 4  Reflashing the chimney can be with the same range.
Additional costs: 1  A building/mechanical permit is usually required to replace a furnace. 2  Replacing an old furnace with a high-efficiency new one can also require installing a chimney liner for about $300 -$700 for a gas furnace or $700 -$1,800 for a fuel oil model.