Sentences with phrase «through ultraviolet exposure»

Not exact matches

For the «sun exposures,» manufactured colored fabric is placed in windows or wrapped around objects and, without the use of dye, emulsion, or any purposefully manipulated chemical process, imagery emerges through time (6 months) and ultraviolet exposure.

Manufactured colored fabric is placed in these locales and without the use of dye, emulsion or any purposefully manipulated chemical process, imagery emerges through time (4 -12 months) and ultraviolet exposure.

Duncan's «sun exposures» are created by placing colored fabrics in windows or wrapping them around objects; without the use of dye, emulsion, or any purposefully manipulated chemical process, imagery emerges on them through a combination of time and ultraviolet exposure.

Some of the other ways blindness or loss of vision can occur are through excessive exposure to ultraviolet light, chemical burns, fires, and improper computer usage.