Utility drawings should be reflection of various inventive features as mentioned in claims. All the features of the claimed invention should be clearly illustrated, and small parts must be labeled in sufficient detail to support the claims. The drawings should be labelled using leader lines and numerals. Text labeling is not permitted except in cases of block diagrams and flow charts. Also, the drawings should reflect all major type of views like Perspective view, Isometric views, Exploded views, Partial views and Sectional views.