Tradition Sepintu Sedulang
https://goindotravel.blogspot.com/2011/08/tradition-sepintu-sedulang.html
Bangka spirit of mutual aid society known to be quite high. Citizens will extend a hand to help if any member of its citizens require. All this goes "Sepintu Sedulang" based soul, which has long been known to the public Bangka. It can be seen at harvest pepper, custom events, anniversary, religius ceremonies, marriage and death.
This tradition is known as "Nganggung", ie the activities of each house to deliver food using a tray, which is a big round tray.
Sumber : www.bangka.go.id