① mechanical Say': Say' method blast jan Say' 'ej Say' 'etlh method, pipe method, Say' qeq.
bIQ method Say' Qul: joH rop 'eS bIQ Say' ('eS joH rop 196.686 'uy' kpa, approximately 2-7 kg Say' ghap centimeter, equivalent 0.2 meyrI'-0.7mpa).
③ high-pressure bIQ jet luch Say': HoS joH rop DaSay'moHtaHvIS 4.9 'uy' pa, approximately 50 kg ghap cm, equal 5mpa. method, joH rop jen bIQ jet joH rop washer je pong method.
