Spectrum – a set, respectively group of elements or components of huge variety and diversity.
This is a definition of the word „spectrum“ given by one of many foreign word dictionary from publishing point of view. It is not a shoot at random but it is the expression suitable for what you can meet in this section. There are the articles of topics concerning injection pumps, combustion engines, fuel systems, repair industry and diagnostics, behind-the-scene of diesel engine manufactures and fuel systems manufacturers... Simply, there are the topics that smell diesel oil. The articles are assigned first of all to those who want to be well informed, more then cursorily, it means people, who want to know and learn many detailes about problems connected with diesel engines. Topics for discussion are many... This is why our section will be supplied step by step.