Put the amount of Yi post at different. To test that the quantity of ยีส affecting attract mosquitoes by mosquito traps or bottle 1 has put ยีส 1 teaspoon and mosquito trap bottle 2 has put ยีส 2 tsp. The two bottles, a control variable.2 teaspoon water quantity.... to... / ml, rate, put it in the same area for 10 hour's performance as such.
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