(i) They are used for dissipating fog on runways at airports.
(ii) They are used for making dish washing machines.
(iii) They are used for homogenising milk.
(iv) They are used for welding metals like tungsten.
(i) They are used for dissipating fog on runways at airports.
(ii) They are used for making dish washing machines.
(iii) They are used for homogenising milk.
(iv) They are used for welding metals like tungsten.