Do the maths
Day 1 of the 6 day shift cycle. Shift 4:00 am till midday
Press - Mulder
Tiles made: Demi-Ronde 50 Rouge - 4900
Dry Tiles unstacked: Fronton No.3 BV
These Demi-Ronde cinquante are the biggest and heaviest tiles we make on the Mulder. They weigh 6.5 kilos each. We made 4900 between us so I hefted 6.5 x 2450 = 15925 kilos of clay. In pounds that's 31850lbs. Mind you it was spread out over 4 hours but all the same ....
More mathematics - the Frontons we were unstacking had been put in the wrong sechoire and many had cracked, so they had to be binned. We binned about 800 of them. At the speed of the STP press they were made on that's about 2.5 hours of machine time wasted. 3 people on the team, so that's 7.5 man hours down the drain. Frontons retail at about 15 Euros a piece, so that's 12000 Euros (14795 in USD or 8306in gbp) not available for sale.
Last of all why do americans abbreviate mathematics to "math"? "Do the math" really annoys me.