1.   Anti-tank minefields are usually protected by small anti-personnel mines.

2.   Enami smelts copper from small mines in Chile, which it sells on the international market.

3.   Nevertheless, to the desert towns like Tierra Amarilla that depend on small copper mines, a recovery looks like a mirage.

4.   Others say they get regular requests to be joint-venture partners in small mines funded by Hong Kong companies.

5.   But most of the problem comes from small mines operating outside the law.

6.   China has ordered thousands of small mines closed over the past year to cut a glut in coal supplies and improve safety.

7.   Deadly explosions and fires are reported almost weekly, despite repeated government pledges to close down small mines and crack down on lax safety.

8.   Explosives are widely available across China for use in small mines and construction sites.

9.   Explosives used in small mines are widely sold in China.

10.   In another room the floor was littered with small anti-personnel mines.