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
MARTIN B-10/B-12
In the early 1930s in the US, the bombers appeared a new generation of high - speed twin-engined all-metal cantilever monoplanes with retractable landing gear. At the rate they are ahead...
NO MATTER WHAT TROUBLES
If you have Minnie children - protect them from an accident by a gas or electric stove protective "fence" of wire or duraluminium corners.
