переключаться на(phase (something) in or phase in (something) : to start to use or do (something) gradually over a period of time : to introduce (something) slowly The country is phasing in new paper currency. The tax cut will be phased in over the next three years. The law will phase tax cuts in over a period of two years. MWALD Alexander Demidov)
сокращать(A good friend of yours, who works for a large corporation, was just notified that his job will be phased out in three months.; по работе Fesenko)