Aosite, kusukela 1993
Ingabe ukhathele ukubhekana nokudakumba nokuwohloka kwamakhabethe endabuko asekelwe entwasahlobo? Uma kunjalo, sekuyisikhathi sokucabangela izinzuzo zokusekela umoya. Kulesi sihloko, sizohlola izizathu zokuthi kungani ukukhetha ukwesekwa kwe-pneumatic phezu kwemithombo yendabuko yamakhabhinethi kungenza umehluko omkhulu ezixazululweni zakho zokugcina. Ukusuka ekuqineni okuthuthukisiwe ukuya ekusebenzeni okushelelayo, izinzuzo zokusekela umoya akufanele zishaywe indiva. Hlanganyela nathi njengoba singena emhlabeni wezinhlelo zokwesekwa kwekhabhinethi futhi wembula izinzuzo zokushintshela ekusekeleni umoya.
Uma kuziwa ekukhetheni uhlelo olufanele lokusekela amakhabhinethi, ukwesekwa kwe-pneumatic, okwaziwa nangokuthi iziphethu zegesi yekhabhinethi, kunikeza uhla lwezinzuzo phezu kwezinhlelo zendabuko zasentwasahlobo. Ukuqonda lezi zinzuzo kungakusiza wenze isinqumo esinolwazi lapho ukhetha ukusekelwa okungcono kakhulu kwamakhabethe akho.
Izinhlelo zokusekela umoya womoya zithembele kumfutho wegesi ukuze zinikeze ukunyakaza okushelelayo nokulawulwayo kweminyango yekhabethe nezivalo. Ngokungafani nezinhlelo zendabuko zasentwasahlobo, ezingase zigqoke futhi zidinga ukunakekelwa okuvamile, imithombo yegesi yekhabhinethi inikeza isisombululo esiqinile nesihlala isikhathi eside sokusekela iminyango yekhabhinethi nezivalo.
Enye yezinzuzo eziyinhloko zokusekelwa kwe-pneumatic yikhono layo lokuhlinzeka ngokunyakaza okubushelelezi nokulawulwayo. Lapho uvula futhi uvala iminyango yekhabhinethi noma izivalo, ingcindezi yegesi ohlelweni lwe-pneumatic iqinisekisa ukuthi ukunyakaza kuyavumelana futhi akukhululekile ekumiseni noma ngokuzumayo. Lokhu kungaba yinzuzo ikakhulukazi ezindaweni ezinethrafikhi ephezulu lapho iminyango yekhabhinethi ivame ukuvulwa futhi ivalwe, njengoba kusiza ukuvimbela ukuguga nokuqhekeka kwehardware yekhabhinethi.
Ukwengeza, izinhlelo zokusekela umoya we-pneumatic zingalungiswa kalula ukuze zihambisane nobukhulu bekhabhinethi ehlukene nezisindo. Ngokumane ulungise ingcindezi yegesi ngaphakathi kwesistimu, ungaqinisekisa ukuthi iminyango yekhabhinethi yakho nezivalo zivuleka futhi zivalwe ngenani elifanele lamandla, kungakhathaliseki ukuthi zingakanani noma isisindo sazo. Leli zinga lokwenza ngendlela oyifisayo ngokuvamile alitholakali ngezinhlelo zentwasahlobo zendabuko, ezivame ukudinga osayizi abathile basentwasahlobo nokulungiselelwa ukuze kuhlangatshezwane nezinhlobo zekhabhinethi ezihlukile.
Enye inzuzo yokukhetha ukwesekwa kwe-pneumatic phezu kwemithombo yendabuko yamakhabhinethi yikhono lokufeza ukubukeka okuhlanzekile nokuncane. Amasistimu okusekela umoya womoya ngokuvamile aklanyelwe ukuthi alula futhi angabonakali, okuwavumela ukuba ahlangane ngaphandle komthungo nobuhle obuphelele bekhabhinethi. Lokhu kungase kuthandeke ikakhulukazi kumiklamo yesimanje neyesimanje, lapho imigqa ehlanzekile nokuhlanganiswa okungenamthungo kuyizici ezibalulekile zokubukeka okuphelele.
Ngaphezu kwalokho, izinhlelo zokusekela umoya ziyaziwa ngokwethembeka nokuqina kwazo. Ngokungafani neziphethu zendabuko, ezingase zijwayele ukugqoka nokunciphisa ngokuhamba kwesikhathi, iziphethu zegesi zekhabhinethi zenzelwe ukumelana nobunzima bokusetshenziswa kwansuku zonke ngaphandle kokulahlekelwa ukusebenza kwazo. Lokhu kungase kubangele izidingo ezimbalwa zokunakekela kanye nempilo ende yesistimu yakho yokwesekwa kwekhabhinethi.
Sengiphetha, ukuqonda izinzuzo zokusekelwa kwe-pneumatic, noma iziphethu zegesi yekhabhinethi, kungakusiza wenze isinqumo esinolwazi lapho ukhetha uhlelo olungcono kakhulu lokusekela amakhabethe akho. Kusukela ekunyakazeni okubushelelezi nokulawulwayo kuye ekwenzeni ngokwezifiso okulula kanye nedizayini eshelelayo, esezingeni elincane, usekelo lwe-pneumatic lunikeza uchungechunge lwezinzuzo ngaphezu kwamasistimu entwasahlobo endabuko. Ngokukhetha ukwesekwa kwe-pneumatic kumakhabhinethi akho, ungajabulela isisombululo esinokwethenjelwa nesiqinile esithuthukisa ukusebenza okuphelele kanye nobuhle bekhabhinethi yakho.
Uma kuziwa ekukhetheni uhlelo olungcono kakhulu lokusekela amakhabethe, ukusekelwa kwe-pneumatic kufakazele ukuthi kuyindlela engcono kakhulu yokusekelwa kwentwasahlobo yendabuko. Nakuba izinhlelo zendabuko zokusekela intwasahlobo sezisetshenziswe kabanzi amashumi eminyaka, ziza nezithiyo eziningi ezibalulekile ezingaba nomthelela ekusebenzeni nokuhlala isikhathi eside kwamakhabethe akho. Kulesi sihloko, sizohlola izithiyo zokusekelwa kwentwasahlobo yendabuko yamakhabhinethi nokuthi kungani ukusekelwa kwe-pneumatic, ikakhulukazi iziphethu zegesi yekhabhinethi, kuyisinqumo esingcono sokuqinisekisa ukusebenza okubushelelezi nokuthembekile.
Enye yezingqinamba eziyinhloko zokusekelwa kwentwasahlobo yendabuko yamakhabhinethi ukuntuleka kokulungiswa. Ngemithombo yendabuko, amandla asetshenziswa emnyango wekhabethe ahlala engashintshi, kungakhathaliseki ukuthi isisindo noma ubukhulu bomnyango. Lokhu kungaholela ezinkingeni ezineminyango okungenzeka ukuthi kunzima ukuyivula noma kulula ukuyivala, njengoba amandla entwasahlobo engahambisani nezidingo ezithile zekhabhinethi. Ngokuphambene, iziphethu zegesi zekhabhinethi zinikeza izinga eliphezulu lokulungiswa, okukuvumela ukuba ulungise kahle amandla asetshenziswa emnyango ukuze uqinisekise ukusebenza okushelelayo nokulula.
Okunye ukuhlehla okubalulekile kokusekelwa kwentwasahlobo yendabuko amandla omsindo nokudlidliza. Njengoba iziphethu ziguga ngokuhamba kwesikhathi, zingaba nomsindo futhi zidale ukuphazamiseka okucasulayo ekhaya noma emsebenzini. Ukwengeza, iziphethu zendabuko zingabangela amakhabethe ukuba adlidlize futhi ahlengezele lapho iminyango ivulwa noma ivaliwe, okungase kukhungathekise futhi kulimaze okuqukethwe kwekhabhinethi. Ngakolunye uhlangothi, iziphethu zegesi zeKhabhinethi, zisebenza ngokushelela nangokuthula, zinikeza izinga lokunethezeka kanye nokunethezeka imithombo yendabuko engeke ifane.
Ngokungeziwe ekulungiseni nomsindo, amasistimu angokwesiko asekela intwasahlobo nawo anemikhawulo uma kuziwa ekuphepheni nasekuzinzeni. Iziphethu zendabuko zingalahlekelwa ukungezwani kwazo ngokuhamba kwesikhathi, okuholela eminyango engasahlali ivuliwe noma ivaliwe njengoba kuhlosiwe. Lokhu kungaba yingozi yokuphepha ezindaweni lapho amakhabhinethi etholakala khona njalo, okungase kuholele ekulimaleni noma ekulimaleni kwekhabhinethi kanye nokuqukethwe kwayo. Imithombo yegesi yeKhabhinethi, enokwakhiwa kwayo kwekhwalithi ephezulu nokusebenza okuthembekile, inikeza isisombululo esiphephe kakhulu nesihlala isikhathi eside sokusekela iminyango yekhabhinethi.
Okokugcina, amasistimu okusekela entwasahlobo endabuko angaba nzima futhi adle isikhathi ukuwafaka nokunakekela. Umhlangano oyinkimbinkimbi kanye nenqubo yokulungisa ingaba yinkinga kubo bobabili abanikazi bezindlu kanye nochwepheshe, okudinga amathuluzi akhethekile kanye nobuchwepheshe bokuqinisekisa ukufakwa okufanele. Ngokuphambene, iziphethu zegesi yekhabhinethi zenzelwe ukufakwa nokugcinwa kalula, ezinezici ezisebenziseka kalula ezizenza zifinyeleleke kunoma ubani odinga ukwesekwa okuthembekile kwekhabhinethi.
Ekuphetheni, izithiyo zokusekelwa kwentwasahlobo yendabuko yamakhabhinethi zicacile, futhi izinzuzo zokukhetha ukusekelwa kwe-pneumatic, ikakhulukazi imithombo yegesi yekhabhinethi, ayinakuphikwa. Kusukela ekulungiseni nasekuthuleni kuya ekuphepheni nasekuqineni, iziphethu zegesi yekhabhinethi zinikeza izinga elingenakuqhathaniswa lokusebenza lemithombo yendabuko engeke ifane. Uma ufuna ukuqinisekisa ukusebenza okushelelayo nokuthembekile kwamakhabethe akho, shintshela ekusekelweni kwe-pneumatic futhi uzizwele umehluko ngokwakho.
Uma kuziwa ekukhetheni uhlelo olufanele lokusekela amakhabethe, ukuqina nokuphila isikhathi eside yizici ezimbili ezibaluleke kakhulu okufanele zicatshangelwe. Kulesi sihloko, sizobe siqhathanisa ukuqina nokuphila isikhathi eside kokusekelwa kwe-pneumatic ngokumelene neziphethu zendabuko zamakhabhinethi, ngokugxila egameni elingukhiye elithi "i-cabinet gas spring."
Ukwesekwa kwe-pneumatic, okwaziwa nangokuthi ukwesekwa kwe-gas spring, kuyindlela yesimanje esikhundleni seziphethu zendabuko zamakhabethe. Lezi ziphethu zegesi zigcwele igesi ecindezelwe, ngokuvamile i-nitrogen, futhi inikeza ukuvuleka nokuvalwa okubushelelezi nokulawulwayo kweminyango yekhabethe. Ukuqina kokusekelwa kwe-pneumatic kuvame ukunconywa ngekhono layo lokumelana nokusetshenziswa kanzima isikhathi eside. Uma kuqhathaniswa neziphethu zendabuko, ezingaguga futhi zilahlekelwe ukusebenza kwazo ngokuhamba kwesikhathi, ukusekelwa kwe-pneumatic kunikeza isikhathi eside sempilo nokuqina okungcono kukonke.
Esinye sezizathu eziyinhloko zokuthi kungani ukusekelwa kwe-pneumatic kukhethwa ngaphezu kwemithombo yendabuko yamakhabhinethi ukuhlala kwayo isikhathi eside. Amasilinda agcwele igesi asetshenziswa ezinhlelweni zokusekela umoya aklanyelwe ukuhlinzeka ngokusebenza okungaguquki isikhathi eside. Lokhu kusho ukuthi iminyango yekhabhinethi ifakwe ukwesekwa umoya izoqhubeka ukusebenza kahle futhi enokwethenjelwa ngisho nangemva kweminyaka ukusetshenziswa. Ngokuphambene, iziphethu zendabuko zingaguga futhi zilahlekelwe ukusebenza kwazo ngokuhamba kwesikhathi, okuholela esidingweni sokushintshwa noma ukulungiswa.
Ngokungeziwe ekuphileni isikhathi eside, ukwesekwa kwe-pneumatic kunikeza ukuqina okuphakeme uma kuqhathaniswa neziphethu zendabuko. Amasilinda agcwele igesi asetshenziswa ezinhlelweni zokusekela umoya ayakwazi ukumelana nobunzima bokusetshenziswa kwansuku zonke, okwenza kube yisinqumo esihle ezindaweni ezihamba phambili ezifana namakhishi nezindawo zokuhweba. Leli zinga lokuqina liqinisekisa ukuthi iminyango yekhabhinethi efakwe ukwesekwa kwe-pneumatic izoqhubeka nokusebenza ngokwethembeka, ngisho nasezindaweni ezinzima.
Ngaphezu kwalokho, ukunyakaza okubushelelezi futhi okulawulwayo okunikezwa ukwesekwa kwe-pneumatic nakho kusiza ekwehliseni ukuguga nokuklebhuka ezicabheni zekhabethe namahinge, okuqhubeka kube nomthelela ekuqineni kukonke kohlelo. Iziphethu zendabuko, ngakolunye uhlangothi, zingakha ukunyakaza kwe-jarring okungaholela ekugqokeni ngaphambi kwesikhathi kanye nokulimala eminyango yekhabhinethi namahinge.
Ngokombono wesondlo, ukwesekwa kwe-pneumatic kunikeza izinzuzo ngaphezu kwemithombo yendabuko. Ngemithombo yendabuko, kunamathuba aphezulu okudinga ukushintshwa noma ukulungisa iziphethu ngokuhamba kwesikhathi. Lokhu kungaba inqubo ebizayo futhi edla isikhathi, ikakhulukazi kuzilungiselelo zentengiso. Ngakolunye uhlangothi, izinhlelo zokusekela umoya we-pneumatic zenzelwe izidingo zokunakekelwa okuncane, okuzenza zibe inketho engabizi futhi engenazo izinkinga yokusekelwa kwekhabhinethi.
Ekuphetheni, uma kuziwa ekukhetheni uhlelo olufanele lokusekela amakhabhinethi, ukwesekwa kwe-pneumatic kunikeza ukuqina okuphakeme nokuphila isikhathi eside uma kuqhathaniswa neziphethu zendabuko. Ngamandla ayo okumelana nokusetshenziswa okunzima isikhathi eside, ukwesekwa kwe-pneumatic kuyindlela ethembekile nehlala isikhathi eside yeminyango yekhabhinethi. Ukunyakaza okubushelelezi nokulawulwayo okuhlinzekwa ukusekela umoya futhi kusiza ekunciphiseni ukuguga eminyango yekhabhinethi namahinge, okuqhubeka kube negalelo ekuqineni kukonke kwesistimu. Ngakho-ke, kulabo abafuna inketho ethembekile nehlala isikhathi eside yokusekelwa kwekhabhinethi, ukusekelwa kwe-pneumatic kuyisinqumo esicacile phezu kweziphethu zendabuko.
Izinhlelo zokusekela umoya, ezaziwa nangokuthi iziphethu zegesi yekhabhinethi, sezidume kakhulu njengokuthatha indawo yeziphethu zendabuko emakhabetheni. Lolu shintsho lungabangelwa ukusetshenziswa kalula nokugcinwa kwezinhlelo zokusekela umoya. Imithombo yegesi yeKhabhinethi iwuhlobo lwesistimu yokweseka i-lift esebenzisa igesi ecindezelwe ukusiza ekuphakamiseni nasekwehliseni iminyango nezivalo zekhabhinethi. Lezi zinhlelo zinikeza ukunyakaza okubushelelezi futhi okulawulwayo, okwenza kube yisinqumo esifanele sezinhlelo zokusebenza eziningi, kufaka phakathi amakhabethe asekhishini, izindawo zokugcina, kanye nefenisha.
Esinye sezizathu eziyinhloko zokuthi kungani imithombo yegesi yekhabhinethi ikhethwa ngaphezu kwemithombo yendabuko kulula ukuyisebenzisa. Ngokungafani neziphethu zendabuko, amasistimu osekelo lwe-pneumatic anikezela ngolwazi olusebenzayo nolusebenziseka kalula. Iziphethu zegesi zenzelwe ukuhlinzeka ngokuphakamisa nokwehlisa ukunyakaza okushelelayo nokulula, okuthuthukisa ukusebenza okuphelele kwekhabhinethi. Lokhu kwenza kube lula kubasebenzisi ukuthi bafinyelele okuqukethwe yikhabhinethi, kanye nokuvala iminyango noma izivalo ngaphandle kokusebenzisa amandla amakhulu.
Ukwengeza, izinhlelo zokusekela umoya zilula ukuzifaka nokulungisa. Ngamathuluzi afanele kanye nemihlahlandlela yokufaka efanele, imithombo yegesi yekhabhinethi ingafakwa ngaphandle komthungo ezinhlobonhlobo zemiklamo yekhabhinethi. Lokhu lula kokufaka kuqinisekisa ukuthi uhlelo lokusekela lungahlanganiswa emiklamo emisha yekhabhinethi noma ibuyiselwe kuleyo ekhona ngaphandle kokuphazamisa ubuhle bobuhle noma ukusebenza. Ngaphezu kwalokho, ukulungiswa kweziphethu zegesi kuvumela ukulungisa kahle amandla okuphakamisa ukuze afanele isisindo esithile kanye nobukhulu beminyango yekhabethe noma izivalo, okuhlinzeka ngolwazi olungokwezifiso kubasebenzisi.
Mayelana nokugcinwa, imithombo yegesi yekhabhinethi idinga ukunakekelwa okuncane uma kuqhathaniswa neziphethu zendabuko. Imvelo evaliwe yeziphethu zegesi ivimbela ukunqwabelana kothuli, udoti, noma umswakama, okungafaka engozini ukusebenza kwesistimu yokusekela. Lokhu kunciphisa isidingo sokuhlanza njalo noma ukugcotshwa, okwenza izinhlelo zokusekela umoya zibe inketho yokugcinwa okuphansi kwezicelo zekhabhinethi. Ukwengeza, ukuqina kwemithombo yegesi kuqinisekisa impilo ende yesevisi, kunciphisa isidingo sokushintshwa noma ukulungiswa.
Ngaphezu kwalokho, ukusebenza okuthembekile nokungaguquguquki kwezinhlelo zokusekela umoya we-pneumatic kunomthelela ekuphileni isikhathi eside kanye nokusebenza kwamakhabhinethi. Ukunyakaza okulawulwayo okunikezwa yiziphethu zegesi kuvimbela ukushaya noma ukuvalwa kungazelelwe kweminyango yekhabethe, kunciphisa ubungozi bokulimala kwamahinji, ihadiwe, nokuqukethwe kwamakhabethe. Lokhu akugcini nje ngokunweba isikhathi sokuphila samakhabethe kodwa futhi kuthuthukisa ukuphepha kanye nokusebenziseka kalula kwabasebenzisi.
Sengiphetha, ukukhetha ukusebenzisa izinhlelo zokusekela umoya phezu kweziphethu zendabuko zamakhabhinethi kufaneleka ngokusebenziseka kalula nokunakekelwa abakunikezayo. Ngomklamo wabo we-ergonomic, ukufakwa kalula, kanye nezidingo zokunakekelwa okuncane, iziphethu zegesi zekhabhinethi zinikeza isisombululo esisebenzayo nesisebenzayo sokuthuthukisa ukusebenza nokuhlala isikhathi eside kwamakhabethe. Njengoba isidingo sezesekeli zekhabhinethi ezinobungane futhi ezinokwethenjelwa siqhubeka sikhula, izinhlelo zokusekela umoya womoya zivela njengenketho ekhethwayo yemiklamo yesimanje yekhabhinethi kanye nezicelo.
Uma kuziwa ekukhetheni uhlelo olufanele lokusekela iKhabhinethi, kunezici eziningi okufanele zicatshangelwe. Okunye okucatshangelwayo okubaluleke kakhulu ukuthi usebenzise ukwesekwa kwe-pneumatic noma iziphethu zendabuko. Zombili izinketho zinezinzuzo zazo kanye nezithiyo, futhi kubalulekile ukucabangisisa lokhu ngaphambi kokwenza isinqumo.
Ukwesekwa kwe-pneumatic, okwaziwa nangokuthi ukwesekwa kwe-gas spring, sekuye kwanda kakhulu eminyakeni yamuva nje ngenxa yezinzuzo zako eziningi phezu kweziphethu zendabuko. Igama elingukhiye elithi "imithombo yegesi yekhabhinethi" belilokhu lizuza amandla embonini njengoba abantu abaningi bebona izinzuzo zokusebenzisa lolu hlobo lwesistimu yokusekela amakhabethe.
Enye yezinzuzo eziyinhloko zokusebenzisa ukusekelwa kwe-pneumatic kumakhabhinethi ukuhamba kwayo okubushelelezi nokulawulwayo. Ngokungafani neziphethu zendabuko, ezingaba yi-jerky futhi zingalindeleki, iziphethu zegesi zinikeza ukunyakaza okungaguquki nokulawulwa kokuvula nokuvala. Lokhu kubenza bafaneleke ikakhulukazi amakhabhinethi aqukethe izinto ezibuthakathaka noma ezibalulekile, njengoba ukunyakaza okubushelelezi kunciphisa ingozi yokulimala.
Okunye okucatshangelwayo okubalulekile lapho ukhetha izinhlelo zokusekela iKhabhinethi yinani lesisindo abangasithwala. Iziphethu zegesi zaziwa ngomthamo wazo omangalisayo wokuthwala isisindo, okuwenza afanelekele ububanzi obubanzi bekhabhinethi osayizi nezisindo. Lokhu kunenzuzo ikakhulukazi kumakhabethe amakhulu noma lawo asetshenziselwa ukugcina izinto ezinzima, njengoba imithombo yendabuko ingase ibe nzima ukunikeza ukusekelwa okwanele.
Ngaphezu komthamo wazo wokuthwala isisindo, iziphethu zegesi nazo zingenziwa ngezifiso kakhulu. Ziza ngobukhulu obuhlukahlukene namandla, okuvumela isisombululo se-bespoke kuwo wonke amakhabhinethi. Leli zinga lokwenza ngokwezifiso liqinisekisa ukuthi i-gas spring ifaneleka ngokuphelele ezidingweni ezithile zekhabhinethi, ihlinzeka ngokusekela okuphelele nokuthembeka.
Ngaphezu kwalokho, iziphethu zegesi zenzelwe ukuthi zingakhathalelwa, okuyinzuzo enkulu kuneziphethu zendabuko. Iziphethu zendabuko zingaguga ngokuhamba kwesikhathi futhi zingadinga ukulungiswa njalo noma ukushintshwa, okudala ukuphazamiseka okungaba khona kanye nezindleko. Iziphethu zegesi, ngakolunye uhlangothi, zakhiwe ukuze zihlale futhi ngokuvamile zibe nokuphila isikhathi eside, zinciphisa isidingo sokugcinwa okuqhubekayo.
Kuyafaneleka futhi ukucabangela isici sokuphepha sezinhlelo zokusekela ikhabhinethi. Iziphethu zegesi ziklanywe kucatshangelwa ukuphepha, ezihlanganisa izindlela ezakhelwe ngaphakathi zokuvimbela ukushaya kanye nokuqinisekisa ukunyakaza okulawulwayo. Lesi sici sokuphepha esingeziwe sibaluleke kakhulu ezindlini ezinezingane ezincane, njengoba sehlisa ubungozi bezingozi nokulimala.
Sengiphetha, uma kuziwa ekukhetheni uhlelo olufanele lokusekela iKhabhinethi, kunezici eziningi okufanele zicatshangelwe. Iziphethu zegesi zinikeza uhla lwezinzuzo ngaphezu kweziphethu zendabuko, okuhlanganisa ukunyakaza okushelelayo nokulawulwayo, amandla ahlaba umxhwele okuthwala isisindo, izinketho zokwenza ngokwezifiso, idizayini engakhathali, nezici zokuphepha ezakhelwe ngaphakathi. Njengoba isidingo sezinhlelo zokwesekwa kwekhabhinethi ezithembekile nezisebenzayo siqhubeka sikhula, kuyacaca ukuthi iziphethu zegesi ziyisinqumo esingcono kakhulu sezinhlelo zokusebenza eziningi. Uma ucubungula uhlelo lokusekela iKhabhinethi, igama elingukhiye elithi "i-gas spring spring" kufanele libe phambili ekuthathweni kwezinqumo, njengoba limelela isisombululo sesimanje nesithuthukisiwe esiletha ukusebenza, ukwethembeka, nokuphepha.
Sengiphetha, ngemva kweminyaka engu-31 yokuhlangenwe nakho embonini, sikholelwa ngokuqinile ukuthi ukukhetha ukusekelwa kwe-pneumatic ngaphezu kweziphethu zendabuko zamakhabethe kuyinketho engcono kakhulu yokuqina, ukusebenza, kanye nokwaneliseka kwamakhasimende jikelele. Intuthuko kwezobuchwepheshe nobunjiniyela ifakazele ukuthi ukwesekwa kwe-pneumatic kunikeza isisombululo esinokwethenjelwa nesisebenza ngempumelelo sokusekelwa kwekhabhinethi. Ngolwazi lwethu olubanzi nobungcweti, sizimisele ukuhlinzeka amakhasimende ethu ngemikhiqizo namasevisi asezingeni eliphezulu kakhulu. Siyaqiniseka ukuthi ukukhetha ukusekelwa kwe-pneumatic kwamakhabethe kuzoholela ezisombululo zokugcina ezihlala isikhathi eside, ezinokwethenjelwa, nezisebenzayo zanoma yisiphi isilungiselelo. Siyabonga ngokucabangela ubungcweti bethu neminikelo yomkhiqizo ngezidingo zakho zokwesekwa kwekhabhinethi.