Profit is the difference between income and expenses in terms of income and expenses in a broad sense. The team should have a set goal to navigate to the team members and know where to go, without the goal the team has no value. It was within the '70s and '80s that the Japanese began implementing technologies in diamond cutting. To help them to measure the quality of diamond cuts, they created special view-scope which they known as the FireScope. When viewing a diamond ring with the scope one surely could determine the hearth, or optical performance, in the diamond. There are men and women in international competitions. There is also a group project where people who use guns are called shooters (shooters) or sharpshooters. The technique of shooting an athlete is called shooting. The original guns were used for hunting and military purposes. Nowadays, shooting is regarded as an entertainment activity. Shooting was first included in the modern Olympic Games in Athens in 1896. The first world shooting championship was held in 1897. The world shooting league was established in 1907.