Read the article again and answer the questions below .
a)In which country did this craze start ?
b)Who were it started for ?
c)Why were the blades changed for wheels ?
d)What are the advantages of roller-blading ?
e)How fast can roller -bladers go ?
f)What diesel the protective equipment consist of?
g)Whi can use in-line roller-skates?
Va rog,e urgent!!
