Use your funnel to help in dumping the used oil from the oil tray into your chosen empty container (here we used the empty oil container). Once the container has been filled you should dispose of it by taking it to a place that recycles oil. Some common places for disposal are AutoZone...
Vacuum Pressure Gauge for Vacuum Pump Autozone AC, Find Details and Price about Pressure Gauge Oil Pressure Gauge from Vacuum Pressure Gauge for Vacuum Pump Autozone AC - Yangzhou Huifeng Meter Co., Ltd.
No, it doesn't. Beauty of DC current. You need AC for transformer [to work]. The only moment when this coiled wire acts as kind of transformer is when the current is switched on/off = change and just for the very short time. And of course it lacks common core that would induce pu...