Alternatively, the coatings may comprise {TAIL ~ self contained coatings} which combine to form colored visible areas upon {HEAD ~ impact} or pressure comprising either pressure rupturable microcapsules containing color formers or color developers, or self contained coatings of solvent soluble dye particles and solvent containing microcapsules 
Alternatively , the coatings may comprise { TAIL ~ self contained coatings } which combine to form colored visible areas upon { HEAD ~ impact } or pressure comprising either pressure rupturable microcapsules containing color formers or color developers , or self contained coatings of solvent soluble dye particles and solvent containing microcapsules
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