BS-4020B su'esu'ega fa'apisinisi microscope ua fa'apitoa fa'apitoa mo su'esu'ega o lapopo'a tele ma PCB tetele.O lenei microscope e mafai ona maua ai se faʻamoemoega faʻatuatuaina, faʻalelei ma saʻo le mataʻituina.Faʻatasi ai ma le faʻatinoina lelei o le fausaga, faʻamalamalamaga maualuga ma le ergonomical operating system, BS-4020B iloa suʻesuʻega faʻapolofesa ma faʻafeiloaʻi manaʻoga eseese o suʻesuʻega ma asiasiga o wafers, FPD, pusa faʻasalalau, PCB, mea faʻasaienisi, tuʻuina saʻo, metalloceramics, faʻataʻitaʻiga saʻo, semiconductor ma eletise ma isi.