British Glass is organising a one-day seminar on funding for decarbonisation and energy efficiency work on Thursday 2 November (north of England, venue TBC) – which will be attended by British Glass members’ and non-members. Flickr: Jason Bache: "In all practices with the Seventy-two Arts in the beginning principle theory is studied and only then work outs are done. At first those who practice the arts train the softness of these sinews and bones and try to make agile all of their joints and articulations. Then they set into motion the principle breath ZONG LI, strengthen the interior organs FU, improve blood state, consolidate body strength, control the cinnabar field while keeping your focus energy inside it, overcome their desires and requirements. The strength spreads for the four extremities and also the hundred joints and articulations, now a fighter is command of unlimited power and the man can move off 1000 jins. Your arm weighing only ten jins can move anything weighing ten thousand jins having a stroke. Your arms are a head, your legs really are a tail. Everything is permeated with a single movement, one's body moves being a dragon. Teachers said: “Shaolin exercises develop forces with the whole human organism, all joints and bones; you are competent at striking with all areas of the body. " There is another saying: “The fist will be the method to obtain all arts and the leg may be the base, the root with the fist. " Ordinary practice of pugilism consists of 70 % of leg training and thirty percent of fist training. If you acquire pugilism, you can use eighteen types of weapon. If you resort to all ruses of pugilism, you can fight ten thousand fighters. " /Secret Shaolin Treatises about the Pugilistic Art/ Therefore, when shooting in macro, it is easy to get a shallow depth of field if utilizing a large aperture. We often make use of the F8, F11, F13 such small, and medium-sized aperture to look at photograph to ensure the photo has clear range. If you use a 100mm macro lens to shoot the insects' close-up, even with the F13 aperture, the depth of field is extremely shallow, and sometimes need to utilize the manual focus function to carefully adjust the focus position to spotlight your eyes of insects to make the image more vivid.