<p dir="ltr" style="text-align: left;">Advantages</p><p dir="ltr" style="text-align: left;">1. Saving of time for those who are busy with other responsibilites</p><p dir="ltr" style="text-align: left;">2.&nbsp; less expenses</p><p dir="ltr" style="text-align: left;">3. making use of our own offices for references and other needs.</p><p dir="ltr" style="text-align: left;">Disadvantages</p><p dir="ltr" style="text-align: left;">1.Lack of person to person contact with trainers and trainees as well as trainees themselves, which increase our knowledge through sharing and personal talk.</p><p dir="ltr" style="text-align: left;">2. network is not always steady</p><p dir="ltr" style="text-align: left;">3.clearing of doubts through timely interference is not possible</p><p dir="ltr" style="text-align: left;">2.&nbsp;</p>