A tsunami is not just seawater. It picks up a huge amount of debris which gives it added destructive power. People don't die just from drowning, many are killed by being hit by debris and heavy objects in the surging torrent. A retreating tsunami wave can cause as much damage as the initial forward surge.
In computing, a printer is a peripheral device which makes a persistent human-readable representation of graphics or text on paper. The first computer printer design was a mechanically driven apparatus by Charles Babbage for his difference engine in the 19th century; his mechanical printer design was not built until 2000. The first electronic printer was the EP-101, invented by Japanese company Epson and released in 1968. The first commercial printers generally used mechanisms from electric type
A DLP printer is different from the normal FDM (fused deposition molding) 3d printers that have been dominating the community, an FDM machine uses an extrusion system similar to an advanced hot glue gun that is attached to an apparatus that can move the extruder in an X, Y, and Z direction.