 
 <translate> Shelf is usually located at a speicific height. A pencil has the possibility of falling down when kept on a heighted surface. The answer: shelf. <ibo> A na-enwekarị shelf n'ebe dị elu. Pensụl nwere ike ịda ma ọ bụrụ na e debe ya n'ebe dị elu. Azịza ya bụ: shelf. 