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Heerkulka sare ee xadhkaha toosan ee hagayaasha Lm
Tilmaamaha tooska ah ee heerkulka sare waxaa loogu talagalay inay si fiican ugu shaqeeyaan xaaladaha heerkulka sare ee aadka u sarreeya, taas oo ka dhigaysa kuwo ku habboon warshadaha leh heerkul ilaa 300 ° C, sida biraha, soo saarista dhalooyinka iyo wax soo saarka baabuurta.
