1.⇒In the 1970s , skateboarding suddenly became very popular

2.⇒At first , skateboarders moved slowly in flat ,smoth areas

3.⇒Then they began riding quickly . This was called "freestyle" skateboarding 

4.⇒ Soon they were skateboarding skillfully up ramps and doing tricks in the air

5.⇒This is called " ramps " skateboarding .Then they started skateboarding and doing tricks on the streets .

6.⇒This was “ street-style ” skateboarding - a combination of freestyle and ramp .

7.⇒For this,the skateboarders needed protective clothing such as knee and elbow pads and helmets This allowed them to skateboard safely.

1.In the 1970s, skateboarding suddenly became very popular .

2.At first, skateboarders moved slowly on flat , smooth areas.

3.Then they began to ride quickly .

4.Soon they were started skateboarding and going tricks on the steets .

5.This was " street style" skateboarding - a com bination of freestyle ang ramp .Then they were started skateboarding and doing tricks on the steets .

6.This was " street style" skateboarding - a com bination of freestyle ang ramp .

7.For this, the skateboarder needed protective clothing such as knee and elbow pads and helmets .This allowed them to skateboarder safety.