1. In habka alxanka TIG loo beddelo 4, si loo hagaajiyo taxanaha wakhtiga 5.
2.Gaaska ka hor-socodka & wakhtiga socodka ka dambeeya, qiyamka hadda jira, inta jeer ee garaaca garaaca, wareegga shaqada & wakhtiga slop waa la hagaajin karaa marka Crater On la doorto.
3.Xeerka hagaajinta soo noqnoqda garaaca wadnaha waa 0.1-500Hz.