Tijaabada gooynta iskutallaabtu guud ahaan waa tijaabo lagu qeexo ku dheggan dahaarka ama daabacaadda mawduuca.
Waxaa loo qaybin karaa heerarka ASTM 5, heerka sare, adkeynta shuruudaha. Muraayadda leh daabacaadda ama dahaadhka muraayadda xariirta ah, inta badan heerka caadiga ahi waa 4B oo leh meel jajaban <5%.
Ma garanaysaa sida loo isticmaalo?
-- Diyaari sanduuqa tijaabada iskutallaabta ah
-- Ku dhaji ballaca qiyaastii 1cm-2cm oo leh 1mm - 1.2mm dhexda aagga tijaabada, 10 xayndaab
-- Marka hore burushka ku nadiifi meesha la gooyay
-- Codso 3M tuubo hufan si aad u aragto haddii uu jiro dahaar/rinjiyeyn la diiray
-- Is barbar dhig heerka si aad u qeexdo shahaadadeeda
Saida Glasswuxuu si joogto ah ugu dadaalaa inuu noqdo lamaanahaaga la isku halayn karo wuxuuna kuu ogolaanayaa inaad dareento adeegyada qiimaha leh.
Waqtiga boostada: Jul-17-2020
