PSD pombi yemoto mayuniti akavimbika uye anobudirira ekudzivirira moto mhinduro. Yakagadzirirwa kushandiswa mune zvakasiyana-siyana zvekushandisa, kusanganisira zvivakwa zvekutengesa, zvivakwa zveindasitiri, nzvimbo dzekugara uye nzvimbo dzeveruzhinji. Nezvimiro zvavo zvepamberi uye kuvaka kwakasimba, PSD pombi yemoto seti inovimbisa panguva uye inoshanda kudzvinyirira moto, kuchengetedza hupenyu uye kuderedza kukuvara kwepfuma. Sarudza PSD yemoto pombi unit uye zvipe iwe runyararo rwepfungwa uye yepamusoro yekudzivirira moto.