Once upon a time, I worked on a labor crew. We had to deliver several pallets of salt bags downstairs into the basement for the building’s water softener. The four of us each carried 4 50-pound bags on our shoulders each trip. I had to stoop down so the top bag cleared one of the floor joists before reaching the storage location. The top two bags were above my head.
Not quite 100 kilos, but close enough.
I still have a water softener. I think the bags I get are only 40 pounds, but I’d have to check to make sure. The bags of sand I lug around for the back yard are probably 50 pounds.
You might talk me down to 30 kilos, but 15 — no way.
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