(i) The current should be reduced to normal.

(ii) A wet electrode should be dried especially in the oven.

(iii) Metal surface must be properly cleared free from rust, dirt, oil or grease.

SEE ALSO  Give ONE functions for each of the following tools in the study of ecology. i. Quadrant ii. Sweep Net iii. Pooter iv. Depth Guage - NABTEB QUESTION

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