 Several innovative design concepts and construction methods which were new to Australia were introduced on the project , while others which were used on the nearby Wellington Dam , were improved upon at the Canning dam site . 
 Several innovative design concepts and construction methods which <a href='uninflect' title='1'><mark>were</mark></a> new to Australia <a href='uninflect' title='2'><mark>were</mark></a> introduced on the project , while others which <a href='uninflect' title='3'><mark>were</mark></a> used on the nearby Wellington Dam , <a href='uninflect' title='4'><mark>were</mark></a> improved upon at the Canning dam site . 
Several innovative design concepts and construction methods which was new to Australia was introduced on the project , while others which was used on the nearby Wellington Dam , was improved upon at the Canning dam site .