እንደ አቶ ጸጋዬ ማብራሪያ፤ የቁሳቁሶች የዋጋ ጭማሪን በሚመለከት ከላይ ያሉ አስመጪዎች ትልቅ አስተዋጽኦ አላቸው።
As the honourable member for Wakefield said, tariff protection is one of the factors that vastly increases the cost of production.