By working continuously for more than 24 hours. I'm Indonesian and there are stories of polling places running from 7am to 9am the next day, not counting the hours they spent setting up the polls.

The main reason it became so grueling is that we held simultaneous elections for president, congress, and provincial representatives this year. We learned our lesson and won't be doing them simultaneously next time around.

Work long hours in an unairconditioned space with already compromised health.