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There are three types of ICP geometries: planar (Fig. 3 (a)), cylindrical [4] (Fig. 3 (b)), and half-toroidal (Fig. 3 (c)). [5] Fig. 3. Conventional Plasma Inductors Electron’s self-contained torch light is low on overall power, but has a clearly focused beam and low weight. It would make a usable and affordable helmet light, if only it came with a mount. L. Klinger, J.B. Vos, and K. Appert, High-Resolution CFD Simulation of a Plasma Torch in 3 Dimensions, CRPP-REPORT-2003-024, LRP 762, 2003, http://infoscience.epfl.ch/record/121307/files/lrp_762_03_hq.pdf Fujian Torch Electron Technology Co., Ltd. Reports Earnings Results for the First Quarter Ended March 31, 2022 Liang P, Rodion G (2018) Numerical study of plasma–electrode interaction during arc discharge in a DC plasma torch. IEEE Trans Plasma Sci 46(2):363–372B.H., J.B.R., G.A., M.J.H. and V.Y. planned the project. A.D., O.S.K., T.H., A.K., P.S., G.G.M., Y.X., M.D.L., B.D.O., S.G., C.I.C., S.Z.G., C.A.L., E.A., R.Z., M.C.D., G.A., A.M., M.J.H., V.Y., J.B.R. and B.H. contributed to the experiments. O.S.K., T.H., A.K., P.S., G.G.M., A.B., D.U., G.W., A.F.H., Y.X., M.D.L., B.D.O., C.A.L., D.L.B., J.R.C. and B.H. contributed to numerical and simulation work. All authors contributed to writing the manuscript. Corresponding author