Lawn Mower Machine For cutting a grass surface to the perfect height, a lawn mower machine uses several blades. The grass height can be adjusted by the operator according to their requirements. Power Weeder Machine Power Weeder are used to remove weeds, stir and pulverise the soil, and loosen it after the crop has started to grow. These machines are commonly used to weed orchards, sugarcane fields, cotton fields, tomato fields, rose nurseries, tobacco, soya, tropiyoka, floriculture, coconut and cashew plantations, and so on.