Small details on utensils but have great effect

Have you ever wondered about small holes in locks or beer bottles often brown.

Small hole in the lock : When the lock does not work smoothly, you can put oil into this small hole.In addition, this is also a place to escape when water falls inside the lock.

Hole in spaghetti ladle : If you are a person who likes to cook Italian food, you are very familiar with this tool.But why do they have such a big hole?Not only does it help you to pick up the noodles and run out of water, but it also helps you measure the amount of noodles just enough for a person.

Beer bottles are dark brown or dark green : In the beginning, beer is packed in blue glass bottles because they have a reasonable price.Later, scientists found that brown bottles will help to filter out the light that affects beer quality.Dark blue has the same effect.Therefore, depending on the design, each manufacturer will choose a suitable color, very few firms choose white glass bottles.

Small hole in the sink : When you close the drain but forget to lock the tap, this detail will work.Water will drain down the pipe through the small hole, limiting the water from the tank.

Water is often cylindrical : Water such as soda, beer has carbon will affect the shell.Cylinders with better bearing capacity than flat designs should be chosen.In addition, many consumers have a habit of drinking water directly from the bottle so this design makes the use of the product more comfortable.

Milk cartons are often contained in rectangular paper boxes : Cylindrical glass bottles have many advantages but are not suitable for storing milk.Glass does not have high thermal insulation properties so milk quickly breaks down if left for many days.In addition, the use of paper boxes will save transportation and storage costs more (weight reduction, stacking more neatly).

The blue part of the eraser : When you go to school, you always think the red eraser to erase the pencil marks also uses the blue part to erase the error when writing the pen.When you do that, the paper will be torn.Realistic blue part to remove stains on rough surfaces like drawing paper in painting, keyboard stains or leather shoes .