Amagwegwe ophahla zizinto eziyimfuneko kwisixokelelwano samandla elanga kwaye asetyenziswa ikakhulu ukufaka ngokukhuselekileyo isixokelelwano sokurhaxa sePV kwiindidi ezahlukeneyo zophahla. Iphakamisa ukhuseleko lulonke kunye nokusebenza kwenkqubo ngokubonelela nge-ankile yendawo eyomeleleyo yokuqinisekisa ukuba iiphaneli zelanga zihlala zizinzile ebusweni bomoya, ukungcangcazela kunye neminye imiba yokusingqongileyo yangaphandle.
Ngokukhetha i-Roof Hooks yethu, uya kufumana isisombululo esizinzileyo nesithembekileyo sokufakelwa kwenkqubo yelanga eqinisekisa ukhuseleko lwexesha elide kunye nokusebenza kakuhle kwenkqubo yakho ye-PV.