Iibhotile zokugcina i-Screw zifanelekile ukupakishwa kweentlobo ezahlukeneyo zamachiza, iikhemikhali zexabiso eliphezulu, i-reagents yeekhemikhali, i-biological reagents, izimonyo, i-essences kunye ne-oyile, njl. Ilungele ukugcinwa kwexesha elide kunye nokuthuthwa kweemveliso, kwaye inomsebenzi obalaseleyo wokutywinwa.
