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Evaporation process of water obtained from the washing of pesticide containers used for DNA collection in this study. S: sanitary sink; TR: tractor spray washing trough; SH: shed where the two tanks (T1 and T2) are located; T1: tank 1; T2: tank 2; W: water filters; TI: timer for controlling the flow of water; TC: solar heating temperature control panel; and So: solar heating system.
