en_tn/exo/18/21.md

thousands, hundreds, fifties, and of tens

AT: "groups of 1,000, groups of 100, groups of 50, and groups of 10"; (See: rc://en/ta/man/translate/translate-numbers)

routine cases

"the simple cases"

endure

AT: "endure the stress of the work"; (See: rc://en/ta/man/translate/figs-explicit)