Basic Repair Hint: Safety

Before work, set the wheel stoppers to secure the vehicle.
When performing work by multiple workers, call to each other to make sure that service operation is performed safely.
Before starting engine, ventilate the room.
When performing the service operation of high-temperature parts like muffler, rotating parts like fan and other movable parts, be careful not to get burned or injured.
For the jack-up and lift up, set the tool to the proper location to support the vehicle correctly. And use the safety device properly when lifting up.