PATENTS: FI:127476, FI:127894, FI:127896, FI:127897. Reg FI:12172 Pat.Pending AE:P6001458/2019, EP:17785516.0, IN:201917045290, FI:20195404, SA:519410283 SG: 11201909425X, US: 16/604556, PCT/FI2019/050385, PCT/2019/050386, PCT/FI2019/050387, FI:20195669