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  Indian J Med Microbiol
 

Figure 1: Spring‑winder of wire‑core 1.2 mm diameter, 15 mm long closed‑coil‑spring of 1.2 mm diameter is prepared from the 0.012" Australian stainless‑steel wire. It is then converted to 30 mm open‑coil‑spring leaving two end coils in closed position

Figure 1: Spring‑winder of wire‑core 1.2 mm diameter, 15 mm long closed‑coil‑spring of 1.2 mm diameter is prepared from the 0.012