The taxonomy have a strong backbone in educational area,because ,It has based on John Dewy theory of learning .It is difficult to find out some thing that does not fit in the taxonomy.The previous students also have got this point.After reading many times got some idea to present as a suggestion in term of constuction.construction in education has a broad meaning,partcullarly in the classroom activity. Teachers are motivating students to think ,ask questions,read resources,finally build up your mind and produce new thoughts and also new ideas.In producing productive activity in learning condition it is necessary to construct thoughts and create new ideas in students cognitive domain, so I vant to add tow more items in the list of Media for construction.

C. Media for Construction
     Control systems--using technology to affect the physical world
     Robotics
     Control of equipment
     Computer-aided design
     Construction of graphs and charts
     Construction of web page
     Construction of thoughts

Construction of web page

               Designing a web page needs to classify all information,which you are going to put on it.This designation and new arrangement of information would be construction of ideas.

Construction of thoughts

       Information processing ,push students to surf into web sight and find out many concepts,then put them together and create novels.This is another face of costruction.