Nsalu zakuluka zikuluka kufuma ku ulusi wa warp na weft, ndipo magesi ghawo ghambura kusintha ghakukolerana chomene na vinthu vya ulusi na umo chilengiwa chikuŵira:
1. Fiber Composition: Fiber zachilengedwe (thonje, linen, weya) zikutora chinyezi chomene, zikuchitiska charge mwambura kusuzga, ndipo zikuwunjika magesi ghachoko waka ghambura kusintha; ulusi wakupangika (polyester, nylon, na vinyake) ukutora chinyezi chiheni, ukukana chomene, ndipo ukusunga msonkho mwambura kusuzga para wakhuŵara. Kuyana na ivyo vikusangika mu *Textile Research Journal* (2020), nkhongono ya magesi ya polyester para yakhuŵara yingafika pa 2000V, apo salu ya thonje kanandi yikuŵa pasi pa 500V.
2. Chinyezi cha pafupi: Para chinyezi cha mphepo chili pasi pa 40%, nchakusuzga kuti filimu ya maji yakulongozga yipangike pa ulusi, ndipo ivi vikupangiska kuti mphepo yiŵe yakukhazikika. Kuyezgelera kukulongora (kuyowoya za ASTM D423 standard) kuti para chinyezi chafika pa 60%, magesi ghakukhazikika gha nsalu ya polyester ghakuchepa pafupifupi 65%.
3. Friction Frequency: Kukhweŵa mwaluŵiro (nga ni para vyakuvwara vyakhwaskana na salu apo munthu wakwenda) kukupangiska kuti charge yijumphe mwaluŵiro. Nsalu zakuluka mwakukhora (nga ni poplin na kansalu) zikukhwaskika chomene na magesi ghambura kusintha kuluska nsalu zakuluka mwakufwatuka (nga ni gauze) chifukwa chakuti zikukhwaska ulusi ukuru.
