adjustable ironing board cover_grid tablecloth

Cast iron, a material often associated with sturdy cookware and architectural structures, has a rich history that extends into the realm of weaponry. Among the various applications of cast iron, spears have emerged as a fascinating subject of study. The use of cast iron spears dates back centuries and represents a pivotal evolution in both material science and warfare.

A last and even more important, additional advantage of polyamide is the excellent thermal insulation. While aluminium scores much less well than wood and PVC in that area, it performs at least as well in terms of U_f value thanks to the polyamide strips (which insulate 500x better than aluminium).