Mphuno yolimba ya chug imakhala yophimbidwa kwathunthu komanso yopanda phokoso panthawi yamayendedwe. Zosindikizidwa mosasunthika.Umboni wabwino wotsikira.
Chogwirizira cholimba cha ergonomic cholimba komanso cholimba chapulasitiki ndichabwino popita, mwina kunyamula ndi zala, kapena kuchipachika pachikwama chako. Zolimba mokwanira komanso zosagwira kuti musaphwanyeke pamene mukugwa.