hand checking raw material

analyse analysis analyze appraisal blend blue checking compound control diagnose dump elastomer examination examine expertise fen gauge grain grains granulate gush hand industry inspect inspection kunststoff kunststoffgranulat lab labor laboratory labour mass material moulding particles pellets plastic plastik poly polyamide polymer pour pr present probe prove pvc quality raw research resin ripple scan scrutinise scrutinize study styrol survey testing thermoplast trickle verify verifying view