Ermetova jamila ismailovna ermetov amirbek ismailovich karimova munisa maxsud qizi

petroleum– an oily, thick, flammable, usually dark-colored liquid that is a form of bitumen or a mixture of various hydrocarbons, occurring naturally in various parts of the world and commonly obtained by drilling: used in a natural or refined state as fuel, or separated by distillation into gasoline, naphtha, benzene, kerosene, paraffin, etc.

neodim– seryum va boshqa nodir metallar metamorfizmlarida uchraydigan noyob tuproq, metall, trivalent elementi va binafsha rangli tuzlarga rangli rangga ega. symbol: nd; atomi og'irligi: 144.24; atom raqami: 60; o'ziga xos tortishish: 20 ° c da 6.9.