It is known that over time a regular door and other hinges start to creak, and lubricate them from the inside is not so simple: sometimes you have to remove them, which is not always possible.
However, once you drill into the top level loop through hole to the axis, and lubrication is simplified, and the result is excellent: the loop will stop squeaking for a long time.
Recommend to read
FLIGHT MODEL FOR BEGINNERS
What is educational flying model? We are all accustomed to the fact that it is a machine fit only to acquire the initial skills of piloting. In most cases, the training model is built...
“GRANDMA,” A LAMP
Currently, it has become fashionable household electrical lamps with shades. The publication describes this decoration to the lamp, which is easy to do it yourself from simple materials....