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
Mill in the yard
Those who keep livestock and poultry in their household cannot do without grain supplies.
Grain can be stored for a long time (I read in one of the magazines that an amphora with wheat...
PNEUMATOS WITHOUT FICTION
For transportation of large cargo by land over distances of hundreds and thousands of miles of not-yet-invented method than the railway. It accounts for in the country about two thirds...