Uzatangazwa nuko imifuka yimyanda ikoreshwa henshi kwisi kandi ntabwo ari shyashya.Amashashi yicyatsi kibisi ubona burimunsi akozwe muri polyethylene.Byakozwe mu 1950 na Harry Washrik na mugenzi we, Larry Hansen.Abavumbuzi bombi bakomoka muri Kanada.
Byagenze bite mbere y'isakoshi y'imyanda?
Mbere yuko imifuka yimyanda itangwa, abantu benshi bashyinguye imyanda mukibuga.Abantu bamwe batwika imyanda.Bidatinze, bamenye ko gutwika no gushyingura byangiza ibidukikije.Imifuka yimyanda ifasha abantu guhangana nimyanda neza.
Imifuka yimyanda kare
Ku ikubitiro, imifuka yimyanda yakoreshwaga mu bucuruzi.Ubusanzwe bakoreshwaga mu bitaro bya Winnipeg.Hansen yakoraga muri carbide yubumwe, yabaguze igihangano.Isosiyete yakoze imifuka ya mbere y’icyatsi kibisi mu myaka ya za 1960 maze ibita imifuka yo mu rugo.
Ivumburwa ryahise ritera sensation kandi ryakoreshejwe mubigo byinshi nimiryango.Amaherezo, yabaye ibicuruzwa bizwi.
Gushushanya igikapu
Mu 1984, amateka yimifuka yimyanda yinjiye ku isoko, byorohereza abantu gutwara imifuka yuzuye.Igishushanyo cyumwimerere cyakozwe muri plastiki yuzuye.Iyi mifuka iraramba kandi ifite uburyo bukomeye bwo gufunga.Ariko iyi mifuka ihenze cyane.Gushushanya imifuka irazwi murugo kandi byoroshye kuyitwara, nuko nayiguze kumafaranga yinyongera.
Ibidukikije byangiza ibidukikije imifuka yimyanda ya polyethylene ntivugwaho rumwe.Mu 1971, Dr. James Gillett yakoze plastike imena izuba.Binyuze mu guhanga, dushobora gukoresha imifuka ya pulasitike kandi tugahagarara kuruhande rwo kurengera ibidukikije.Imifuka ya biodegradable isanzwe iboneka kumasoko muriyi minsi kandi ikoreshwa nabantu benshi.
Igihe cyo kohereza: Apr-16-2021