The IBM principle.
The machine should work, the person – think.
The law of nature’s wickedness.
You can not determine in advance which side of the sandwich is smeared with butter.
Consequence of Jenning.
The likelihood that a sandwich will drop by oil is directly proportional to the cost of the carpet.
Law of selective gravitation.
The item will fall in such a way as to cause the greatest damage.
Effect of Klipshtein.
Drop the most fragile detail.
Law of the shop Anthony.
Any instrument, if dropped, rolls into the most inaccessible corner of the workshop.
Rushing into a corner, he will first hit you on the toes.
Principle of spare parts.
While searching for small spare parts that have fallen from the workplace, the probability of their detection is directly proportional to the size of the part and inversely proportional to its value for completing work.
The reliability of the equipment is inversely proportional to the number and position of persons watching it.
Second law of Vyshkovsky.
Everything can be adjusted if you twist in your hands long enough. Law Lowery.
Took a detail – push it. If it broke – nothing; still had to be replaced …
If the car is damaged for a long time, it will break.
First law of counteraction to Fudd.
Push something heavy and it will tip over.
Anthony’s law of power.
Do not waste your strength, take the hammer more!
The experience grows in direct proportion to the out-of-order equipment.
If nothing else helps, read the instructions at last.