M'zaka zaposachedwa, kukwera kwa zinthu zopangidwa ndi pulasitiki monga matabwa-pulasitiki kwathetsa zolakwika za matabwa olimba, monga kuwonongeka kosavuta ndi kusweka, koma sikungathe kuthetsa vuto la kufota mosavuta ndi kukalamba. Ndi chitukuko mosalekeza sayansi ndi luso ndi kufunafuna anthu mosalekeza ndi kufufuza zinthu wangwiro panja, ASA kusinthidwa mapulasitiki anatulukira, m'malo kuthetsa kukongoletsa panja, malonda zipangizo ukalamba weathering, kuzimiririka ndi mavuto ena, ASA zipangizo mitundu mitundu toni, kupereka oyenera. chifukwa ndi kukwaniritsa zosowa zosiyanasiyana zazithunzi zosiyana, ubwino wake wapadera wakuthupi, Wakhazikitsa malo ake apadera pa ntchito zakunja zakuthupi, ndipo nthawi yomweyo anatsegula chitseko cha msika wapamwamba.