as well as economic aspects can be provided, outperforming most other conventional materials. feed tubes made of sigrabond chemical first time combine lightweight design and non-ceramic material properties with an outstanding temperature and corrosion resistance. based on this unique combination of...
, one for inhaling and the other for exhaling. in order to protect the upper parts of the tubes from the waves, he devises a float, and then he explains that the tubes are built in such a way that they do not break. the strategy leonardo adopts is to make the tubes flexible by articulating them at intervals...