3. Umuyoboro wa Elliptic: umuyoboro wa elliptic ni ikintu gishya cyashyizwe ahagaragara mu myaka ya vuba aha. Ugereranyije n'umuyoboro wa elliptic, umuyoboro wa elliptic ufite ubushobozi bwo kurwanya umuvuduko mwiza cyane. Ariko, kubera ko umuyoboro wa elliptic usanzwe ukozwe muri kaseti ya galvanized, imikorere yawo yo kurwanya ingese iri hasi ugereranyije n'umuyoboro wa elliptic.
4. Icyuma cy'ubwiza: gikoreshwa hejuru y'ubutaka bw'ubusitani bufite ubwenge kugira ngo gikore icyuma cy'ubwiza. Gifite akarusho ko ku giciro gito no kudahindagurika neza ugereranije n'imiyoboro kare. Gikoreshwa cyane cyane mu bice bifite ingufu nke kandi bidasaba ko habaho ingese.