Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. Many industrial, military or otherwise professional tubes were also produced.
BackgroundThe coronavirus disease 2019 (Covid-19) pandemic has created one of the largest global health crises in almost a century. Although the current rate...
Toyota foi'l mayor fabricante d'automóviles en 2012 (por producción) per delantre del Grupu Volkswagen y General Motors, [1 ] y tuvo ventes mundiales averaes de 9,98 millones de vehículos en 2013. [2 ] Toyota foi nomada como la marca de…