Why is this keyword non-relevant for industrial bitumen emulsion sourcing and should be excluded from analysis?

Some keywords pull results about consumer products, unrelated media content, or mislabeled items that do not provide grade, binder content, test methods, or compliance documentation. Those sources cannot support RFQs, plant sizing, or quality planning and they distort price benchmarking. Non relevant keywords should be filtered if they consistently return cosmetic creams, DIY retail pages without technical specs, or generic definitions. Industrial sourcing needs terms tied to recognized grades, test methods, MSDS for industrial products, plant capacity, and sprayer calibration and acceptance testing.