The 3 Biggest Disasters in sales funnel data History
https://periodicos.ufpel.edu.br/ojs2/index.php/dissertatio/user/viewPublicProfile/138738
A funnel is really a tube or pipe that's broad at the highest and slender at the bottom, useful for guiding liquid or powder into a small opening. Funnels tend to be made of stainless steel, aluminium, glass,