ok nevermind, I've answered my own question from that link, thanks

http://www.vintagemacworld.com/m0001intro/intro3.jpg

Can I ask then please, what is this tape for?

http://www.auctiva.com/hostedimages/showimage.aspx?gid=269543&ppid=1122&image=434002191&images=434002191&formats=0&format=0