Silent blocks, bushings, cv boots produced by Polyurethan LLC were tested by African heat, sand, dust and dirt in the round-the-world expedition “Our World”. The expedition mechanic Mikhail Romanenko is satisfied: polyurethane spare parts helped the expedition of Alexey Kamerzanov to overcome all obstacles. The expedition traveled through Tanzania, Mozambique, Malawi, Zimbabwe, Zambia, Botswana, South Africa. Fasteners from the company “Polyurethan” became useful too.