Loggers often run chainsaw bars upside down in order to make the job of cutting up logs easier and faster. This is because chainsaws are designed to cut through wood when running at an angle, rather than straight on. When a saw runs with its bar facing downwards it creates a greater angle for the blade which results in more efficient and powerful cuts - something that is particularly useful for loggers dealing with larger pieces of timber. Additionally, this orientation allows for more control over the saw as well as increased safety due to improved stability of the machine. Running a chainsaw bar upside-down also reduces stress on the operator's arms and back by allowing them to work from an ergonomically correct position. All these benefits combine together to make logging much more efficient compared with traditional methods such as axe chopping or manual sawing.