Mepụta nsụgharị dị mgbagwoju anya nke ahịrịokwu a A na-eji ngwakọta hypergolic nke nitric acid na'' Optolin'' na-eme ka injin ahụ dịkwuo ike.
N'ezie, ụdị okwu dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Ejiri ngwakọta hypergolic nke nitric acid na''Optolin' (ngwakọta nke aromatic amines, gasoline, Visol, na catechol) na-agbanye n'ime ụlọ ọkụ. "