UJI ALAT DINAMIKA PROSES ORDE DUA INTERACTING CAPACITIES BUKAAN VALVE 1⁄2 (50%), 2/5 (40%), 3/10 (30%) (Test Tool Of The Dynamics Process Of Two Order Interacting Capacities By The Valves Open 1/2 (50%), 2/5 (40%) and 3/10 (30%) - RIZQIAH, RIRI (2015)