PAPERSPAST

ARTIFICIAL SPONGES MADE OF PAPER PULP.

Paper sponges, which are claimed to possess all the liquid-absorbing capacity of the natural, product, are now .being made. The paper pulp is first treated with chloride of zinc until it forms a nearly fluid mass, to which common salt is iadded. This mass then undergoes a compressing and drying proee&s in a special machine, which by means of rollers and plates, provided with a number of metal projections, produces in the mass the canals and cavities of the real sponge.

Pāwhiri ki konei kia kitea tēnei tuhinga ā-nūpepa

He mea mahi aunoa e te rorohiko tēnei tuhinga. Kāore anō kia tirohia, kia whakatikangia rānei, he hapa pea o roto. Ka taea te tirotiro i te hōputu taketake, te pānui rānei i te whārangi katoa.

Mō te tuhinga nā te rorohiko i hanga

Ko te OCR he tukanga hei tiki aunoa i te tuhinga mai i te whārangi kua karapahia. Mā te OCR e taea ai te rapu i te nui o ngā raraunga tuhinga-katoa, ēngari kāore i te tika katoa ki te 100%. Ko tōna tika mai i te kounga o te tuhinga ki te niupepa tūturu me tōna āhua i te whakakiriata moroititanga. Kāore pea e pai te OCR o te niupepa kāore te kounga o te pepa e pai, he iti rawa rānei te tuhituhinga, he maha rawa ngā momotuhi, ngā whakatakotoranga tīwae hoki, he whārangi kua tūkinotia rānei.

Ko te tōtika OCR kei te whārangi e kitea ai tēnei tūemi he 97.62%.