摘要 |
Method comprising providing a first member 10 having an integral hollow section(s) 12, 12a extending therealong, forming an aperture 18 in the second member 11 by forcing the end portion(s) of the hollow section(s) 12, 12a, therethrough, and securing the protruding end portion(s) of the hollow section(s) 12, 12a to the second member 11. |