I-Lids eze-PS ziyizikhumba zesikhalo sezinkulungwane zokudla zokuchitha izinkulungwane zempapu, zinakha indlela eyinkimbinkimbi yokugcina yezinkulungwane zokuchitha izidlo nezindawo zokuchitha izilwane esikhulu nasezincwadini. Zikhupha ukuchitha, zihlale zingatholakali, futhi zinakha ubuso oluhle oluzinhle, futhi ziyisifiso sokuchitha izinkulungwane zokuchitha izilwane emaqanda, emaphoyinteni okukhula kwezindawo zokuthengisa izinkulungwane zokudla, futhi emaphoyinteni okukhula kwezindawo zokuthengisa izilwane ezinamandla nokuthengiswa ngokuphelele.