KUNA dumbwaiter, iyo inoshandiswa zvakanyanya kuendesa chikafu, ndiro dzetafura uye zvinodiwa zvezuva nezuva muresitorendi, hotera, nzvimbo yekutenga nezvimwewo. Tichishandisa sisitimu yekudzora yePLC uye kurongeka kwakasiyana kwechimiro, tinokupa chigadzirwa chakachengeteka, chinoshanda zvakanyanya uye chakavimbika.