Gushaka ubushakashatsi ku nyungu za 4130 Tubing idafite uburenganzira mu mbonerahamwe y’ubwubatsi 1. Intangiriro kuri 4130 Tubing 2 Ibitungo bya 4130 Tubing Nziza 2.1 Ibihimbano bya Shimi 2.2 Ibikoresho bya mashini 3. Ibyiza byo gukoresha 4130 Igice cya Kwinjiza mubwubatsi 3.1 Imbaraga hamwe nuburambe 3.2 Kurwanya Corrosion 3.3 Uburemere bworose kandi butandukanye 4 Porogaramu