For the elaboration of alpaca carded fabrics a work study was carried out obtaining the following times (in minutes): Elements 1. Load machine and start the machine Internal Time External Time 4.09 2. Stretch previous piece 3.04 3. Take finished pieces and return 1.49 4. Wait for the end of machining (idle) 2.31 5. Turn off and remove piece 1.20 The elements follow the sequence (1, 2, 3, 4 and 5). According to the previous data find: Percentage of use of man (saturation) Moving to the next question prevents changes to this answer.