Rov qab mus rau cov hnub hauv 1874, Lub Ib Hlis Ntuj, Samuel W Francis tau tsim ib qho tshwj xeeb uas ua ke nrog rab diav, diav rawg, riam zoo ib yam li cov pob txha niaj hnub no.Thiab tau muab US patent 147,119.Lo lus "spork" yog ib lo lus sib xyaw los ntawm "dawb" & " diav rawg".Thib...
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