The mark consists of a rectangular background in BLUE-AVIATION colour (32-0-3-47)* in which the fancy wordings NEHOS and BPT appear in the upper right corner, written in fancy characters, one different from the other; the said wordings are preceded by the stylized representation of two clouds and a sun, respectively in WHITE colour (0-0-0-0)* and YELLOW colour (0-0-80-0)*; also within the aforementioned rectangular background, starting from the left are: (a) a series of rectangular panels one under the other, the first of which is in ORANGE colour (0-50-100-0)* and the remaining in LIGHT GREY colour (0-0-0-9)*, within these are also, respectively, the stylized representations of, a smiling face, a money box, a padlock, a tent and a cassette; (b) a rectangular panel in LIGHT ORANGE colour (0-10-36-0)* in which the stylized representation of a bulb, are contained within a panel in ORANGE colour (0-50-100-0)*, including a snow-flake, a main door and a CD (compact disc); (c) panels placed one upon the other having approximately squared forms and frames in LIGHT GREY colour (0-0-0-9)*, as well as triangular imprints in DARK GREY colour (0-0-0-70)*; finally, in the lower part of the said rectangular background, starting from the left appear, the stylized representations of, a female bust within a panel in LIGHT BLUE colour (24-0-3-0)*, a telephone in YELLOW colour (0-0-50-0)*, a television, a sheet of paper with pencil, a circular imprint in BLUE colour (60-0-0-0)* containing an orbit and a stylized letter "I", an envelope in ORANGE colour (0-37,5-75-0)*, a keyboard, a monitor and a circular imprint in BLACK colour (0-0-0-100)* containing a question mark; *the colour is expressed in percentages C-M-Y-K (ciano = blue, magenta = red, yellow, black), according to the method of FOUR-COLOUR PROCESS.