Abstract refers to the reproductive variety of essays and is a summary of the effective methods and final results of the study, and highlights the possible ways of their application and development. Moreover, when writing an abstract of this type it is necessary to observe the following rules: to use only one source; to specify the opinion and conclusions of the best essay writing service reviews author of the studied material, without mentioning your own inferences.

Patent abstract - the need to write such a work arises if it is necessary to inform the public about a new invention. The size of the patent abstract should not exceed 1000 printed characters without spaces. The text of the paper is a brief overview of the invention: name; purpose; field of application; brief description; technical data.

A review abstract is based on the comparison of several different opinions on one topic. The task of the author is as follows: to carefully study the contents of several sources; to analyze each material, to identify the key idea that will be covered in the abstract.

Such a work can be presented as a monoreferat (a single work) or a polyreferat (to include a set of several separate works on the same topic).