1. Ahantu hubatswe: Birasabwa guhuzagurika, kuringaniza, gutambuka, no kuvanaho ibintu bikarishye. 2. Gushira kuri gride: Kurubuga ruringaniye kandi rufunitse, icyerekezo cyingenzi cyingufu (longitudinal) ya gride yashyizweho igomba kuba perpendicular kumurongo wigice, kandi kurambika bigomba kuba binini, w ...
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