https://opsinterview.org/https://opsinterview.org/skills/https://opsinterview.org/companies/https://opsinterview.org/companies/toyota/https://opsinterview.org/skills/find-the-bottleneck/https://opsinterview.org/skills/explain-the-queue/https://opsinterview.org/skills/size-the-batch/https://opsinterview.org/skills/staff-the-exceptions/https://opsinterview.org/skills/count-good-output/