In case you are teaching Spanish speakers to row, here is a great set of videos about rowing from Spain and some boat terms translated in schematics at the bottom.  Enjoy1

Introduccion: https://www.youtube.com/watch?v=qM_8cj2lNNw&list=PLNBRtqdsYrKQLOqfGF1JAKENwUaEXKNoY&index=1

Embarcacion: https://www.youtube.com/watch?v=Nm9pnxJu4oE&list=PLNBRtqdsYrKQLOqfGF1JAKENwUaEXKNoY&index=2

Fases de la remada: https://www.youtube.com/watch?v=qltNn4pF2Gg&list=PLNBRtqdsYrKQLOqfGF1JAKENwUaEXKNoY&index=3

Remo indoor: https://www.youtube.com/watch?v=BrPB9Q5fGYw&list=PLNBRtqdsYrKQLOqfGF1JAKENwUaEXKNoY&index=4

Remo de banco movil: https://www.youtube.com/watch?v=o85svMez_gI&list=PLNBRtqdsYrKQLOqfGF1JAKENwUaEXKNoY&index=5

Remo de mar: https://www.youtube.com/watch?v=2uIO3aWGkB0&list=PLNBRtqdsYrKQLOqfGF1JAKENwUaEXKNoY&index=6

Técnica básica de remo con banco móvil: https://www.youtube.com/watch?v=AAd28eeM69M&list=PLNBRtqdsYrKQLOqfGF1JAKENwUaEXKNoY&index=7

Cuatro de Mar:   https://www.youtube.com/watch?v=ncaM4pMyS0g&list=PLNBRtqdsYrKQLOqfGF1JAKENwUaEXKNoY&index=8