How does one carry a heavy television set over a moderate distance (several kilometers at least), without breaking one's back? Than god for trolleys!

Unlike conventional CRTs which use a shadow mask, Sony Trinitrons used an aperature grill to direct the electron beams to the appropriately coloured phosphors. The aperature grill design consists of vey fine vertical wires under tension, and as they are under such tension, the tube has to be thicker to withstand the pressure. And because the aperature grill is always vertically straight but horizontally curved, the faceplate is cylindrical (instead of spherical with a shadow mask design), so it too has to be thicker to withstand atmospheric pressure. All that means that this was a very heavy telly to drag home!