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Nederlands: Affiche. "Maypole Soap Dyes Any Colour". A dye can generally be described as a coloured substance that has an affinity to the substrate to which it is being applied. The dye is generally applied in an aqueous solution, and may require a mordant to improve the fastness of the dye on the fibre.
Both dyes and pigments appear to be coloured because they absorb some wavelengths of light preferentially. In contrast with a dye, a pigment generally is insoluble, and has no affinity for the substrate. Some dyes can be precipitated with an inert salt to produce a lake pigment, and based on the salt used they could be aluminium lake, calcium lake or barium lake pigments.
Dyed flax fibres have been found in the Republic of Georgia dated back in a prehistoric cave to 36,000 BP. Archaeological evidence shows that, particularly in India and Phoenicia, dyeing has been extensively carried out for over 5000 years. The dyes were obtained from animal, vegetable or mineral origin, with no or very little processing. By far the greatest source of dyes has been from the plant kingdom, notably roots, berries, bark, leaves and wood, but only a few have ever been used on a commercial scale. Colour or colour (see spelling differences) is the visual perceptual property corresponding in humans to the categories called red, yellow, blue and others. Colour derives from the spectrum of light (distribution of light energy versus wavelength) interacting in the eye with the spectral sensitivities of the light receptors. Colour categories and physical specifications of colour are also associated with objects, materials, light sources, etc., based on their physical properties such as light absorption, reflection, or emission spectra. By defining a colour space, colours can be identified numerically by their coordinates.
Because perception of colour stems from the varying sensitivity of different types of cone cells in the retina to different parts of the spectrum, colours may be defined and quantified by the degree to which they stimulate these cells. These physical or physiological quantifications of colour, however, do not fully explain the psychophysical perception of colour appearance. The maypole is a tall wooden pole (traditionally of maple (Acer), hawthorn or birch) erected to celebrate May Day or Midsummer. It may be a semi-permanent feature, standing in position year-round until it has to be repainted or replaced, or it may be a shorter, temporary structure. It may be decorated with several long coloured ribbons suspended from the top, festooned with flowers, draped in greenery, hung with large circular wreaths, or adorned with other symbols or decorations, depending on local and regional variances. The Netherlands (pronounced ˈnɛðərləndz; Dutch: Nederland, pronounced [ˈneːdərlɑnt]) is a constituent country in Northwestern Europe of the Kingdom of the Netherlands, comprising the majority of its territory. It is a parliamentary democratic constitutional monarchy. The Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east. The capital is Amsterdam and the seat of government is The Hague.
The Netherlands is often called Holland, a pars pro toto, as North and South Holland are actually two of its twelve provinces (see terminology of "the Netherlands"). The word Dutch is used to refer to the people, the language, and anything pertaining to the Netherlands. This lexical difference between the noun and the adjective is a peculiarity of the English language and does not exist in the Dutch language. The adjective 'Dutch' is derived from the language that was spoken in the area, called 'Diets', which equals Middle Dutch. Description Source Wikipedia