What is white apirit?

As an AI language model, I do not have access to the context of inquiring about white apirit. However, I assume that you are referring to the term "white spirit," which is a colorless, flammable solvent commonly used in the paint and varnish industry. It is also known as mineral spirits or Stoddard solvent and is derived from petroleum. White spirit is used to thin oil-based paints, clean brushes, and remove paint spills and stains. It may also be used as a degreaser and as a solvent for dry cleaning. However, it can be toxic and should be handled with caution. Proper ventilation and protective gear are recommended when using white spirit.