EULUMDAT is a data file format used for specification of photometric data especially intensity distributions from light sources such as lamps and luminaries. The file extension is .ldt. The format was proposed by Axel Stockmar (Light Consult Inc., Berlin) in 1990. The format is the European equivalent to the IES file format specified in IESNA LM-63. The data in an EULUMDAT file is usually measured using a goniophotometer.
Sweep or Vacuum Dirt Daily. Removing the dirt, sand or dust that is tracked in on a daily basis should be done every day. That's right, every single day. The best way to keep your hardwood floors clean and prevent damage is to sweep or vacuum them daily.
How to apply stain on hardwood floor. Staining is a way to change the color of any hardwood floor. Whether it a new unfinished hardwood or refinishing old one, you can apply the colored stain after sanding and make desire color of the floor.n a different wood it can looks slightly different. It is possible to mix different colors of stain in order to get desire color, but always use the same products from same manufacturer. There are different types of hardwood floor stains available divided in two major groups: oil and water based.