A stain is a discolouration of any surfance on which it may be found. It may be intentional or accidental. It is caused by the chemical interaction of two or more differing materials. Stains are caused when a substance is spilled onto a surface and the fibres absorb the colour. Stains may be thought of as accidental in some circumstances, whereas 'dyes' are considered permanent. Some stains may be removed by the application of suitable chemicals
it is a basic dye that will stain the cells. That makes it a positive stain.
Mustard stains because it is a dye stain ,which makes it difficult to get out.
answer 1: The colour in the wine is from soaking the skins of grapes in the juice during fermentation. It is not from the grapes, they are colourless. I suppose the colour is what makes it stain. answer 2: Spillling red wine on your shirt makes a red wine stain.. ^_^
National sleep makes a stain resistant mattress pad.
The tomato.
yes yes gram stain is a purple color that makes takes gram crackers and makes them good to eat.
Tequila can stain your clothes. It is a tannin stain, so it does not actually dye the fabric. This makes it easy to wash away in hot water.
The addition of other metals makes steel stainless.
flagellar stain
Bite Me - 2010 The Night Makes a Stain 1-5 was released on: USA: 29 December 2010
Stain removers work by interacting with the material of the stain and dissolving it. For example, modern enzyme stain removers contain protein enzymes which actually "digest" the stain. You have to find the remover which is designed to act on whatever made your stain to get the best results.
Silken Touch Interior Latex by Porter make stain-resistant paint.