Creo Parametric :-Creo Parametric Software is also a part of CAD drawing , it is similar to AutoCAD mechanical Autodesk 2020 and is used in  mechanical field for creating 3D models of tools , dies , blocks , etc . It has some modifications which makes it more user friendly to create 3D drawings easily with less effort....

NC machines :-"NC machines also known as Numeric Control Machines are the machines that are automatically operated without any human interference by commands which are received into their processing units and are called NC or Numeric Control Machines". The commands which is received by NC machines are given in the form...

In many drawings in AutoCAD mechanical Autodesk 2020 objects have invisible portion or hidden features which are represented by dotted lines in the projection views . So, in order to understand the details of interior view of object , it is splited or  cut by an imaginary line or plane called sectional plane . The...