Anyị dabeere na Hunan, China, malite na 2012, na-ere na Eastern Europe (25.00%), North America (10.00%), Southeast Asia (10.00%), South Asia (8.00%), South America (7.00%), Africa. (6.00%), Ndịda Europe (6.00%), Mid East (5.00%), Eastern Asia (5.00%), Western Europe (5.00%), Northern Europe (5.00%), Oceania (4.00%), Central America (4.00) %). Enwere ihe dị ka mmadụ 11-50 na ụlọ ọrụ anyị.
2. Olee otú anyị ga-esi kwe nkwa ịdị mma?
Mgbe niile tupu mmepụta sample tupu uka mmepụta;
Nyocha ikpeazụ mgbe niile tupu mbupu;
3. Gịnị mere na ị gaghị azụta n'aka anyị n'aka ndị ọzọ na-ebubata ihe?
ahụmịhe bara ụba maka tungsten carbide na mbupụ
ISO àgwà, ezigbo ego na nnyefe ngwa ngwa, ezigbo ọrụ
nnukwu mmepụta ohere maka nhọrọ
chekwaa ego, chekwaa ike, chekwaa oge!
nweta ngwaahịa dị elu, nweta ohere azụmaahịa ọzọ, merie ahịa ahụ!
