@fisikarudy RPM adalah satuan rotasi per menit. Rotasi adalah perputaran, putaran. Sedangkan Per Menit adalah satuan waktu tiap 60 detik

Default Widget

This is Sidebar 1. You can edit the content that appears here by visiting your Widgets panel and modifying the current widgets in Sidebar 1. Or, if you want to be a true ninja, you can add your own content to this sidebar by using the appropriate hooks.