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.
Try to remove glue from a hardwood floor by melting it, or by using hot water, with help from a professional house cleaner in this free video on hardwood floor cleaning tips. Part of the Video Series: Housekeeping Tips.ince a lot of hardwood floors are laid with glue, if the people who installed the floors leave and you see traces of glue all over the floor, it's some that they used to put your floors down.