The profession of a lawyer connects ministers of law: a lawyer, a prosecutor, a judge, an investigator, a legal adviser with a notary, an international lawyer - they are all experts in one area of law.
An economist is an expert in the field of economics, an expert on economic issues. Economists call both scientists (that is, specialists in the field of economic science) and practitioners who work in the field of research, planning and management of the economic activities of the enterprise.
The objects of professional activity are: systems of automation, management, control; systems of technical diagnostics and information support; methods and means of designing automated technical systems, modeling, experimental research, commissioning of automated systems at operating facilities and their maintenance.
The science of electromagnetic oscillations and waves of the radio range - about the methods of their generation, amplification, radiation, reception and their use; a branch of engineering that applies electromagnetic waves and radio waves for information transfer.