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Otu esi eme akwụkwọ A4
Igwe akwụkwọ A4 nke bụ ahịrị ime akwụkwọ nwekwara akụkụ dị iche iche; 1- Ngalaba usoro mmiri nke na-agbanwe usoro mmiri maka ngwakọta pulp dị njikere iji mee akwụkwọ nwere ibu ntọala enyere. Ibu isi nke akwụkwọ bụ ibu nke otu square mita na gram. Mmiri pulp slur...GỤKWUO -
Ihe nkewa eriri
Ihe e ji amịpụta ihe na-esi na hydraulic pulper arụ ọrụ ka nwere obere mpempe akwụkwọ ndị na-anaghị amịpụta kpamkpam, yabụ a ga-ahazi ya nke ọma. Nhazi eriri dị oke mkpa iji melite mma nke mkpụrụ akwụkwọ mkpofu. N'ozuzu, a pụrụ ibupu mmebi nke mkpụrụ osisi pulp...GỤKWUO -
Nhazi nke ihe na-agbaze gburugburu
Ihe mejupụtara ihe mgbaze okirikiri bụ ihe mejupụtara shei gburugburu, isi shaft, ihe na-ebu ibu, ngwaọrụ nnyefe na paịpụ njikọ. Ihe mgbaze okpokoro bụ arịa nrụgide dị gịrịgịrị nke nwere efere ígwè na-agbaze agbaze. Ike nhazi ịgbado ọkụ dị elu na-ebelata ibu niile nke akụrụngwa, ma e jiri ya tụnyere ...GỤKWUO -
Akụkọ ihe mere eme nke igwe akwụkwọ ụdị ebu nke silinda
Onye France bụ Nicholas Louis Robert mepụtara igwe akwụkwọ Fourdrinier n'afọ 1799, obere oge ka nwoke Bekee ahụ bụ́ Joseph Bramah mepụtara igwe ụdị ebu silinda n'afọ 1805, o bu ụzọ tụọ aro echiche na eserese nke akwụkwọ ebu silinda na-etolite na patent ya, mana Br...GỤKWUO
