I have been back into building model boats for over five years no, and hugely enjoying it.
Something just happened that gave me cause to question if I have learned even the basics.
I have just cut out and replaced both prop shafts, one of which had seized. Before removing the 20mm handed brass props I remembered to mark each of them so I could put them back in the correct orientation.
You may start laughing now: With 5 years of picking up nautical knowledge and terminology I had somehow marked them "L" and "R", and the marking seems indelible - for all to see. Doh !!!!