Sida loo doorto warshad korantada ah oo la isku halayn karo: qiimee xoogga farsamada (fahamka qaabka fashilka), shahaadooyinka (CE, ISO, UL 583), kartida wax-soo-saarka (hanti-dhowrka warshadda), adeegga iibka kadib ( cabbir la qiyaasay), iyo fahamka muuqaalka. Samaynta Lift CBDE.