Proses gerinda rata adalah proses pengerjaan akhir untuk penghalusan benda kerja dimana bagian yang digerinda adalah permukaan benda keija atau bidang datar saja. Kondisi pemesinan yang meliputi va…
In the power distribution system, ground faults and lightning strikes are the most common causes of disturbances. This interference will cause the hazard to rise or fall, endanger people's lives an…
Synthetic insecticides, e.g. organophospate and pyethroid, are common used to control diamondback moth, Plutella xylostella (Linn.). Survey conducted in West Java and South Sumatera showed that thi…