before the harvest season is an important time for the farmers, therefore the plant is always maintained if it does not want to be damaged by pests in the area of ​​agam, the farmers have their own way to repel these pests yakunyinya by using canned balliling, this vane, a blow that is believed to repel pests such as birds or wild pigs, this propeller spinning in the direction of the wind while the tin produces the sound of this traditional technology has been in use for decades in Indonesia not only the blades, the rice paddies also remain in pairs on the farm, the way of making the technology is very simple all of them using used goods ranging from bamboo, cans to zinc, can also use other used goods, azwar one farmer said earlier this area is often attacked by pests of birds and wild pigs, his plants like rice, corn and cassava often damaged so that the agricultural produce b erkurang, but after using this technology was pest farming began to decrease, making this technology does not have to spend, just by looking for used goods that are around us, you have interest please try.