bor tumbuk

== Indonesian == === Etymology === Compound of bor +‎ tumbuk. === Noun === bor tumbuk (plural bor-bor tumbuk) percussion drill: a power tool that uses a hammering motion to drill into hard materials === Further reading === “bor tumbuk”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016