Lang, that is an amazing movie showing the terrible conditions in which sailors had to work. It was must have been shot on several reels of movie film, in a hand-cranked camera .(no batteries or motors in those days)
My Father-In-Law who was born in the mid 1920's said before he passed away some five years ago, "nobody works hard anymore." He had worked as a farmer (from the age of 12 years) a cattle truck driver and then at the State Electricity Commission where he dug holes for electricity poles with a shovel in heat of up to 40 degrees Celcius, when the hills were too steep for the auger truck.
I have my shoulder to the wheel,
my nose to the grindstone,
I've put my best foot forward,
I've put my back into it,
I'm gritting my teeth,