[Compretehention Quentions]
a.How heard it from another cheist who atten church
b.He was trying to mark the pages of a hymbook
c.He was experimenting with some glue at home
d.He was writing some church which stuck together
2.What was stage of the invention process did Dr.Silver have troble with?
a.Removing of toxic residue
b.Creating consumer demand for the product
c.Finding a way to wash off the sticky residue
d.Finding an appropriate adhesive
3.What was the main obstach to perfecting the Post-it note.
a.Designing a non-toxic adhesive for the notes
b.Expeimenting with various chemicals.
c.Finding an appropriate shape for the notes
d.Marking the right type of sticky adhesive
4.wpWhich of the following is true?
a.3M launched the Post-it note in the early 20th century.
b.The strength of the Post-it note is that it can stick permanently.
c.The Post-it note is early removable and stukagain somewhere else.
d.The Post-it note was very successfull from the beginning of going into the market