1)Ordinary rolled steel
2)cast steel
3)alloy steel
4)wrought iron
5)wire rope
6)wire
7)cable
8)bronze
9)timber
10)stone
11)brick
12)gravel
13)sand
14)cement
15)paint
2)cast steel
3)alloy steel
4)wrought iron
5)wire rope
6)wire
7)cable
8)bronze
9)timber
10)stone
11)brick
12)gravel
13)sand
14)cement
15)paint
No comments:
Post a Comment