Officials sort and fold ballots for 2019 elections at a General Elections Committee (KPU) warehouse at STT Mandala University in Bandung, West Java, on April 1. At least 1.7 ballots for the city of Bandung are sorted here. The sorting was done in one day to prevent delays in the materials’ distribution by District Election Committees (PPK). Antara/Novrian Arbi

Temanggung General Elections Committee (KPUD) workers fold ballots for the 2019 elections at the Bambu Runcing sports hall in Temanggung, Central Java, on April 1. As many as 350 residents were employed to prepare the materials.

Contract workers fold ballots at the office of the Palu General Elections Committee (KPUD) on April 2 as soon as they arrive. Antara/Basri Marzuki

An official holds up a special ballot to be used by blind voters at the Kendari General Elections Committee (KPUD) warehouse in Southeast Sulawesi on April 8. The Kendari KPU provided a braille template for 1,942 ballots to aid blind voters. Antara/Jojon

Volunteers at the Lhokseumawe Independent Elections Commission (KIP) show residents ballot samples at the Lhokseumawe Inpres traditional market in Aceh on April 1. The event introduced five types of ballots as well as voting and folding procedures in order to boost voter turnout and spread awareness about residents’ voting rights. Antara/Rahmad

An official seals a ballot box used for the 2019 elections at the Madiun General Elections Committee (KPUD) warehouse in East Java on Wednesday. The Madiun KPUD employed hundreds of people to seal boxes before they are distributed to District Election Committees (PPK). Antara/Siswowidodo

Freelance workers sort and fold substitute and additional ballots at the Lhokseumawe Independent Elections Commission (KIP) in Aceh on Friday. The local KIP received 5,912 substitute and additional ballots for the simultaneous elections. Antara/Rahmad

Officials prepare ballot boxes and other voting materials in Jakarta on Thursday ahead of the presidential and legislative elections. Some 192 million Indonesians are set to vote on Wednesday, in what has been called the largest one-day election in the world. AFP/Bay Ismoyo

Workers carry ballot boxes into the KM Sabuk Nusantara 92 at Tanjung Perak Port in Surabaya, East Java, on Friday. The Sumenep General Election Committee (KPUD) distributed 445 ballot boxes and 334 polling booths through Tanjung Perak Port to Masalembu Island and its four villages, namely Masalima, Sukajeruk, Masakambing and Karamaian. Antara/Moch Asim

Officials carry ballot boxes for the 2019 elections at Wamena Airport in Jayawijaya, Papua, on Sunday. The boxes were distributed with helicopters to Yalimo regency in Welare and Benawa districts. Antara/Yusran Uccang

District Election Committee (PPK) officials prepare materials for the 2019 elections at the Harapan Bangsa sports hall in Lhong Raya, Banda Aceh, on Saturday. Logistical preparations for the elections entered its final stage ahead of the distribution of materials on Tuesday to 592 polling stations spread across nine districts, which will cater to 145,585 voters in total. Antara/Ampelsa

A resident holds up a voting invitation, known as the C6 form, addressed to her father. The forms were handed out by polling station working committees (KPPS) at Ilie village, Banda Aceh, Aceh province, on Saturday. KPPS officers encouraged residents to bring their C6 form on voting day. Those who have yet to receive their invitation should contact KPPS officers at their village. Antara/Irwansyah Putra