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为了节约雷管,我们用牛皮纸或新闻纸卷成直径约15毫米的纸筒,内装火柴头,制成纸壳雷管,以引起硝铵炸药爆炸,导线用一根细铜丝或细麻绳,线头一端扎有4-5根干燥的火柴,形成头大尾小.再用一根直径1厘米、长10-15厘米的空心竹管作为导火管,其一端扎有两片火柴盒上的擦皮,擦皮必须扎成外宽内窄的八字形(见附图),导线即从两片擦皮中间通过.导火管一端插入纸筒内,并将纸筒与竹管扎紧,火柴头从纸筒尾部装入,然后扎紧.
In order to save the detonator, we use kraft paper or newsprint to roll a paper tube with a diameter of about 15 mm, with a match head in it, to make a paper shell detonator to cause explosion of the ammonium nitrate explosive. A fine copper wire or fine hemp rope is used for the wire, and the end of the thread is There are 4-5 dry matches that form a large tail. A hollow bamboo tube with a diameter of 1 cm and a length of 10-15 cm is used as a fire guide tube. There is a brush on the two match boxes at one end. The brush must be tied into a narrow figure with a wide outer and inner diameter (see the attached figure). The wire is passed through the middle of the two pieces of paper. The end of the fire tube is inserted into the paper tube, and the paper tube and the bamboo tube are fastened together. The match head Load it from the rear of the paper tube and fasten it.