USE NET TOP SUPPORT WHEN TEACHING

I get  difficult  how  to make my learn quick  understand  by  students, so the learn  fun, effective, efficient. We  can  use Net  Top support to help  us. I  can  control  the  students, they understand  or  no. Today I teach  how to draw fish  use curve  tool  on  Paint  program. I get  difficult  for  some  students. Some  students  understand  but  the others  not  yet. I try  to step  by step. I proud  to myself  that I begint  understand how  to use  this tools. Seldom  I regret  to  students.  Today I  angry  to Primary  1B, Andrew  Nathanael  and  Benricho Leonarde Smith. I exit them  from  class. They still  stay  at out  of  class  until finish  of lesson. Than I  dialog with them. "Andrew disturb  me." Richo  says. "I disturb  Richo  because  my  computer broken". I had  say  to  teacher  but  teacher  not care  to me, only  care  to the other  students," Andrew  says.  They are  right.  May be the  computer not maximum  too. Some  computer  error and  This  is  result  of  students  work. May be  in next  time  I can  handle the  class with nicely. May be  computer good too.
Below, example students  work  (Cathleen, P1A_)