The labial palps are attached to the labium, or lower lip. These palps each have three segments. Like the rest of the grasshopper's body, the palps are coated with chitin, a hard, rigid, waxy material that makes up the animal's exoskeleton. Palps have sensory hairs and chemoreceptors on their outer surfaces.
A Digital TV Converter Box is an electronic device that converts the free over-the-air digital signal into an analog signal viewable on older analog television set. You will still need an antenna or rabbit ears.
Catalytic converter. A catalytic converter is an emissions control device that converts toxic gases and pollutants in exhaust gas to less toxic pollutants by catalyzing a redox reaction (an oxidation and a reduction reaction).