Extended AbstractAbstract The aim of this research is to evaluate the effects of showcase performance in the stability of two-dimensional learning. The research is mixed in terms of developmental-applied goal. and in terms of data collection method. In the qualitative part. https://www.roneverhart.com/HGST-Ultrastar-7K6000-HUS726040ALS214-4TB-7-2K-RPM-SAS-12Gb-s-512n-128MB-3-5-SE-Hard-Drive/