The term openwork is used to name the task that is carried out in a fabric or cloth with a needle, causing the threads to join or removing some. In this way a kind of imitation of lace is carried out.
In knitting, the ornamentation that is done by decreasing or increasing stitches is called openwork to develop gaps that allow creating a drawing. The technique that consists of making holes or holes in metal, wood, paper or other material to draw is also known as openwork.
The metal cutwork technique is of great importance for artisans who are engaged in the manufacture of costume jewelery, as well as for jewelers who use precious metals. Typically, the metals that are pierced include copper, silver, gold, nickel silver, and bronze (also called brass).
Of all of them, the softest is silver, and it is one of the cheapest and most easily available precious metals. For this reason, those who start with copper or bronze, for example, and then go to silver feel an obvious improvement: in addition to their lower rigidity, they are ductile, jigsaws last longer and cause less noise during use.
Draft is a technique that requires practice and patience, but not a lot of money if you choose the cheapest materials; All you need is a suitable jigsaw, table, vice, and disposable saws made especially for this task. The concentration is another requirement, because if we break oversight for one of the elements, we lose money and time, two treasures for any craftsman.
Draft, on the other hand, is the depth to which a boat is submerged in water. In other words, the draft is the distance between the keel (the baseline) and the waterline. You can calculate the mean draft, the draft forward or draft aft.
The idea of air draft, for its part, refers to the distance between the waterline and the highest point of the ship. As merchant ships can have several different load states, it has been necessary to establish two extreme air drafts to know the points between which it oscillates:
* the ballast air draft is the higher of the two. It is the one that reaches the ship when it is completely empty;
* the air draft for maximum load, as the name implies, is the lowest and the ship adopts it when it has the maximum possible load level.
In internal combustion engines, stall is called the reduction in the rate of rotation or stop of the engine that occurs suddenly and accidentally. Stall can be caused by a mechanical or electrical problem, by excessive load growth, or by the engine not getting the fuel or air it needs to keep it running.
In modern engines, manufacturers have managed to reduce the stall considerably thanks to the ECU and electronic injection. The ECU is the engine control unit and is in charge of managing various aspects of internal combustion. By electronic injection we understand the method in which the fuel is dosed with the help of electronic processes, so that consumption is optimal and the emission of pollutants is reduced to a minimum.
Finally, openwork can be the significance of something. For example: “We are working on a huge project that will change the lives of the neighbors”, “We need major reforms to make this institution more efficient. “