The analogy of testing and washing clothes

     Just when the bitterness of washing clothes suddenly thought, testing is not like washing clothes, you can hand wash can also use washing machine, hand wash is manual test, The washing machine is the automated test.
     First you score a good class, not socks and clothes to wash together. In addition, the biggest leader of the family's clothes must be washed first. Also note that some clothes are color-lost, some clothes can not be washed very heavy, some clothes must be light.
     You can of course all the clothes are hand-washing, but people must be very bitter force, will breed rebellious tired of psychology, and if the home clothes more and more, all hands washing words tired exhausted.
     so invented the washing machine instead of the hand wash part. But like some materials of clothing, underwear and underwear what can not be machine-washable. So hand washing cannot be replaced by a washing machine. Washing machine repeated soaking, washing, dehydration and other mechanized process although the clothes can be washed, but is not able to wash clean has yet to be discussed. People analyze which clothes are not cleaned, washed and washed again with a washing machine, or changed to hand wash.
     How to make clothes to wash more clean, people according to the clothing material, size and other characteristics, the invention of washing powder detergent and other tools. By different indicators to determine that the clothes are really more effective wash clean.
     and so wash the clothes of the leader of the wife to check, if the hand wash clothes did not wash clean or wash too slow will be punished at night without food to eat, if the machine wash is not clean, or not completely no effect, daughter-in-law will say the broken washing machine replaced. If the problem is not the washing machine, but the problem of washing powder, daughter-in-law will be tugging at the ears to ask why to buy inferior detergent, the answer to this cheap, so was fined kneeling rub clothes board.
     finally is the clothes to bask in the sun, perhaps the next door Aunt Uncle will say, this young man wash clothes good, wash clean and tidy!!
     Finally the last of the trough, some people study out dry cleaning can be more clean, so opened a dry cleaning shop. Some people began to study whether the clothing is acrylic or cotton, the study of washing powder laundry detergent, made a lot of money. Some people are more awesome, studying the molecular structure of clothes and becoming experts. Only our civilian populace, every day to wash their own clothes, can only understand the general function of the washing machine, but also every day to be scolded, hey, bitter force!!!

Analogy of testing and washing clothes