Industrial Property Regulations, 2002 (d) (e) (f) (g) (h) (i) (j) (k) Abstract. without difficulty when the drawings are reproduced photographically at two thirds their actual size; if the scale is given on a drawing, it shall be given graphically; cross sections shall be indicated by hatching that does not impede the clear reading of the reference signs and reading lines; all numbers, letters and other references signs shall be at least .32 centimetres high and shall be circled or within brackets or inverted commas; if the drawings show a feature mentioned in the description, that feature shall be denoted in the drawings by a reference sign and that reference sign shall be used throughout the application to denote that feature; except as required under subparagraph (g), no feature shall be denoted in the drawings by a reference sign; the lettering on drawings shall use the Latin alphabet or, where customary, the Greek alphabet; the different figures in the drawings shall be numbered consecutively in Arabic numerals independently of the numbering of the sheets on which the drawings appear; and the drawings shall not include text other than single words or phrases. 16. (1) This Regulation applies with respect to an abstract referred to in section 34(1)(e) of the Act. (2) The abstract shall include — (a) the title of the invention; and (b) a summary of the disclosure included in 9