Sohle Seo U Lokelang ho se Tseba ka Lihokelo tsa PCB

Lihokelo ke likarolo tsa bohlokoa lefats'eng la lisebelisoa tsa elektroniki, tse sebetsang e le marokho a hokahanyang lipotoloho le ho thusa ho phalla ha mats'oao a motlakase. Ntle le lihokelo, lisebelisoa tsa elektroniki tsa sejoale-joale li ke ke tsa khona ho sebetsa hantle kapa ka mokhoa o tloaelehileng. Lihokelo li tla ka mefuta e fapaneng, ho latela ts'ebeliso ea tsona, maemo a tikoloho, le mofuta oa matšoao a motlakase ao li a laolang. Thupelo ena ea ho soahlamana e tla u tsamaisa ka mefuta e atileng haholo ea likhokahano tse sebelisoang ho li-PCB, likarolo tsa tsona, le likarolo tsa tsona tse ikhethang ho lisebelisoa tsa elektroniki.

Karolo ea Lihokelo Lipotolohong tsa Elektronike

Lihokelo li bohlokoa ho theheng meralo ea elektroniki ea modular, e lokisoang ha bonolo, le e qhekellang. Mosebetsi oa bona o ka sehloohong ke ho theha tsela ea motlakase pakeng tsa likarolo tse fapaneng kapa li-circuits. Lihokelo li etsa hore matšoao a tsamaee hantle, ebang ke mats'oao a analoge, a dijithale kapa a matla. Ho khetha sehokelo se nepahetseng ho bohlokoa ho netefatsa ts'epahalo ea sistimi, botšepehi ba matšoao, le botsitso ba mochini. Lintlha tse kang litekanyetso tsa hona joale, motlakase, ho hanyetsa tikoloho, le matla a mochine li tlameha ho hlahlojoa ka hloko ha u khetha sehokelo sa morero oa hau.

Tlhophiso ea Lihokelo ka Mofuta oa Khokahano

1. Lihokelo tsa Wire-to-Wire (WTW).

Lihokelo tsa Wire-to-Wire li sebelisoa haholo ho hokahanya lithapo tse peli tse arohaneng ho theha ts'ebetso ea motlakase. Lihokelo tsena li khona ho ikamahanya le maemo 'me li ka fumaneha lits'ebetsong ho tloha ho phetiso e bonolo ea data ho isa ho likhokahanyo tse matla haholo. E sebelisoa hangata lits'ebetsong tsa kabo ea matla le likhokahano tsa peripheral, li etselitsoe ho tsamaisa data le motlakase. Lihokelo tsa USB, lithapo tsa data tsa S-ATA, le likhoele tsa motlakase ke mehlala moo lihokelo tsena li kopanyang lipotoloho tse peli tse ikemetseng. Li ka boela tsa etsoa ho ts'ehetsa botšepehi ba matšoao lits'ebetsong tsa data tse lebelo le holimo kapa ho netefatsa phepelo e matla ea matla mochining oa indasteri.

2. Lihokelo tsa Wire-to-Board (WTB).

Lihokelo tsa terata ho ea ho Boto lia hlokahala bakeng sa ho hokahanya terata ea kantle le liboto tsa potoloho tse hatisitsoeng ( li-PCB ), tse sebetsang joaloka borokho pakeng tsa tikoloho ea kantle le lipotoloho tsa elektroniki tsa kahare. Lihokelo tsena li bapala karolo ea bohlokoa ho hokahaneng pakeng tsa PCB le lisebelisoa tsa kantle, joalo ka phepelo ea motlakase, li-sensor, kapa lisebelisoa tse ling tse ka ntle. Lihokelo tsa WTB li sebelisoa phetisong ea data le ea motlakase, lihokelo tsa WTB li fana ka lihokelo tse sireletsehileng le tse tšepahalang tse ka mamellang khatello ea mechini le ho pepesehela tikoloho. Li-jack tsa molumo le lihokelo tsa motlakase tsa ATX ke mehlala e meholo, e etselitsoeng ho laola maemo a phahameng a motlakase le motlakase ntle le ho beha botšepehi ba lets'oao kotsing kapa ts'epo kotsing.

3. Lihokelo tsa Boto-to-Boto (BTB).

Lihokelo tsa boto-to-Board li lumella khokahano e tobileng lipakeng tsa li-PCB tse peli, ho thusa phapanyetsano ea data le matla. Lihokelo tsena li sebelisoa ho komporo ea elektroniki moo ntlafatso ea sebaka le phetiso ea data e potlakileng e leng bohlokoa. Likhomphuthang tse sebetsang hantle haholo, lihokelo tsa BTB li sebelisoa ho hokahanya li-PCB ka har'a litsamaiso tse kang li-server le litsi tsa data, moo tlhoko ea likhokahano tse kopaneng, tse tšepahalang li bohlokoa haholo. Ntle le moo, lihokelo tsa BTB li sebelisoa ho ts'ehetsa mekhoa ea meralo ea modular, e lumellang ho kopanya kapele, ho nkela sebaka, kapa ho ntlafatsa likarolo. Ka boholo ba molumo ho tloha ho 0.4mm ho isa ho 2.5mm, lihokelo tsena li fumaneha hape ka tlhophiso ea molumo o motle, e loketseng lits'ebetso tse phahameng haholo.

Mefuta ea Sehokelo ka Kopo

1. Lihokelo tse ka morao

Lihokelo tsa backplane li etselitsoe litsamaiso tse hlokang puisano e matla lipakeng tsa liboto tse ngata tse hatisitsoeng tsa potoloho. Hangata e sebelisoa lisebelisoa tsa mehala ea puisano le litsamaiso tse kentsoeng ka rack, lihokelo tsena li bohlokoa bakeng sa ho sebetsana le matšoao a data a lebelo le phetisetso ea matla lipakeng tsa boardboard le liboto tse fapaneng tsa barali. Ka tloaelo li na le palo e kholo ea lithapo le li-sockets, tse lumellang likhokahano tse ngata ka nako e le 'ngoe. Lihokelo tsa morao-rao tsa morao-rao li entsoe ho ts'ehetsa mats'oao a maqhubu a phahameng a nang le tšitiso e nyane, ho netefatsa ts'ebetso e nepahetseng maemong a boima joalo ka litsi tsa data kapa lits'ebetso tsa taolo ea indasteri.

2. Lihokelo tsa Likoloi

Lihokelo tsa likoloi li etselitsoe ka ho khetheha ho fihlela litlhoko tse matla tsa tikoloho ea likoloi. Lihokelo tsena li tlameha ho mamella ho pepesehela mocheso o feteletseng, mongobo le ho thothomela ha li ntse li netefatsa ts'ebetso e tšepahalang ea motlakase. Li sebelisoa hangata lits'ebetsong ho tloha ho li-engine control units (ECUs) ho ea ho boithabiso ba koloi le lits'ebetso tsa polokeho. Lihokelo tsa likoloi le tsona li tlameha ho latela litekanyetso tse thata joalo ka USCAR-20, ho netefatsa ts'epo ea nako e telele lits'ebetsong tsa bohlokoa tsa polokeho. Likoloing tsa motlakase le tse nyalisitsoeng, likhokahano tsena li bohlokoa bakeng sa ho laola phepelo ea motlakase lipakeng tsa libeteri, li-motor le likarolo tse fapaneng tsa taolo. Ho tšoarella ha bona ho tiisa ts'ebetso e sireletsehileng ea litsamaiso tlas'a maemo a thata.

3. Lihokelo tsa Audio/Video

Lihokelo tsa molumo / video li na le boikarabello ba ho fetisa matshwao a mamelwang a analoge le a dijithale le a video. Ka ho phahama ha mecha ea phatlalatso e phahameng, lihokelo tsena li fetohile ho sebetsana le litekanyetso tse eketsehileng tsa bandwidth le data. Ka mohlala, HDMI, e se e le mokhoa oa sejoale-joale oa li-audio-visual system, tse khonang ho fetisa livideo tsa boleng bo holimo le li-channel tse ngata. Lihokelo tsa lefa, tse kang RCA le SCART, li ntse li tsoela pele ho sebelisoa mekhoeng ea khale, le hoja mefokolo ea bona ho bandwidth le boleng ba matšoao li bone hore butle-butle li nkeloa sebaka ke litekanyetso tse ncha. Lihokelo tsa sejoale-joale tse kang DisplayPort le SPDIF li eketsa bokhoni ba ho fetisa matšoao a boleng bo holimo maetong a malelele.

4. Lihokelo tsa Boto-to-Boto (BTB).

Li-connectors tsa Board-to-Board li sebelisetsoa ho hokahanya li-PCB tse peli kapa ho feta ka har'a tsamaiso e le 'ngoe, e leng ho nolofalletsang ho fetisetsa data le matla a lebelo le phahameng. Lihokelo tsena li bohlokoa bakeng sa lisebelisoa tsa elektroniki tse kopaneng, moo ntlafatso ea sebaka e leng bohlokoa. Lihokelo tsa BTB li na le mefuta e fapaneng ea litlhophiso le boholo, e leng se etsang hore li tšoanelehe bakeng sa lits'ebetso tse fapaneng. Ka mohlala, hangata li sebelisoa ho lisebelisoa tsa mohala, moo li hokahanyang boto e kholo ho likarolo tsa peripheral tse kang lik'hamera le lipontšo. Liphetolelo tse nang le mahlakoreng a nepahetseng le a selemo li fana ka phetoho ea moralo, e lumellang baenjiniere ho etsa likopano tsa elektronike tse sebetsang hantle le tse sebetsang hantle.

5. Card Edge Connectors

Lihokelo tsa likarete li fumaneha hangata lits'ebetsong tsa khomphutha, tse fanang ka likhokahano bakeng sa likarete tsa katoloso joalo ka likarete tsa litšoantšo, likarete tsa khokahano ea marang-rang le likarete tsa molumo. Lihokelo tsena li lula pheletsong ea PCB, e lumellang hore ho kenngoe habonolo sekoting se tsamaisanang. Lihokelo tsa karete li etselitsoe ho ts'ehetsa ts'epo le ts'epahalo ea matšoao a holimo, e leng se etsang hore e be tse loketseng lits'ebetso tse hlokang phetiso ea data e potlakileng, joalo ka lipapali le komporo ea ts'ebetso e phahameng. Moqapi oa bona o matla o ba lumella hore ba mamelle ho kenngoa le ho tlosoa khafetsa, ho etsa bonnete ba hore nako e telele e tšoarella libakeng tse thata tse kang litsi tsa data le lisebelisoa tsa elektronike tsa bareki.

6. Lihokelo tse chitja

Lihokelo tse chitja li sebelisoa haholo lits'ebetsong tsa indasteri le tsa sesole ka lebaka la moralo oa tsona o thata le bokhoni ba ho sebetsana le maqhubu a maholo le maqhubu a phahameng. Lihokelo tsena li etselitsoe ho hanela maemo a tikoloho joalo ka lerōle, mongobo le mocheso o feteletseng, ho li etsa hore li tšoanelehe bakeng sa lits'ebetso tsa sefofane, tsa likoloi le tsa indasteri. Lihokelo tse chitja li fumaneha ka mekhoa e mengata ea lipini le mekhoa ea ho notlela, joalo ka bayonet kapa meralo ea likhoele, e netefatsang likhokahano tse sireletsehileng libakeng tse thata. Bokhoni ba bona ba ho sireletsa bo boetse bo sireletsa khahlano le tšitiso ea motlakase (EMI), e leng bohlokoa lits'ebetsong tsa mats'oao a maqhubu a phahameng.

7. Lihokelo tsa D-Sub

Lihokelo tsa D-sub ke mofuta oa sehokelo oa khale le o tšepahalang haholo o sebelisoang lits'ebetsong tse fapaneng, ho tloha lits'ebetsong tsa likhomphutha ho isa lisebelisoa tsa mehala. Thebe ea tšepe e nang le sebopeho sa D e fana ka tšireletso ea mochine le ho netefatsa ho lumellana hantle nakong ea ho nyalana. Lihokelo tsena li na le mela e mengata ea li-pin kapa li-sockets, tse nang le litlhophiso tse ka amohelang litefiso tse phahameng tsa phetisetso ea data. Moralo oa bona oa sekontiri o eketsa ts'ireletso ea mochini, e ba etsa hore ba se ke ba khaoha ka phoso. Leha qalong e ne e etselitsoe lits'ebetso tsa analog joalo ka VGA le likou tsa serial, mefuta ea sejoale-joale ea lihokelo tsa D-sub e se e sebelisoa lits'ebetsong tsa analog le tsa dijithale, tse fanang ka ts'ebetso e fapaneng ho liindasteri.

8. Lihokelo tsa FFC/FPC

Lihokelo tsa Flat Flexible Cable (FFC) le Flexible Printed Circuit (FPC) li sebelisoa ho lisebelisoa tsa elektroniki tse kopaneng joalo ka mehala ea cellular, lilaptop le lik'hamera, moo sebaka se lefshoang. Lihokelo tsena li fana ka tenyetseha le ho tšoarella, tse lumellang potoloho e rarahaneng ka lintlha tse nyane. Li etselitsoe ho mamella ho kobeha le ho mena hangata, e leng ho li etsang hore e be tse loketseng lits'ebetso tse hlokang ho sisinyeha khafetsa, joalo ka lisebelisoa tse menoang kapa tse aparoang. Lihokelo tsa FFC/FPC li tla ka mefuta e fapaneng ea boholo ba sekontiri le tlhophiso ea liphini, ho netefatsa hore li ka fihlela litlhoko tsa lisebelisoa tsa elektroniki tsa komporo ea sejoale-joale, moo meralo ea ts'ebetso le e bolokang sebaka e leng ea bohlokoa.

9. Lihokelo tsa Fiber Optic

Lihokelo tsa fiber optic li bohlokoa bakeng sa lits'ebetso tsa puisano tse lebelo le holimo, tse fetisang mats'oao a mabone a nang le tahlehelo e nyane ea mats'oao. Li sebelisoa lits'ebetsong moo lintlha tse ngata li hlokang ho fetisoa libakeng tse telele, joalo ka likhokahano tsa mehala, litsing tsa data, le lisebelisoa tsa bongaka. Li-connectors tsa fiber optic li tlameha ho netefatsa hore ho na le tumellano e nepahetseng pakeng tsa likhoele tsa optical, kaha esita le ho se lumellane ho fokolang ho ka baka tšenyo e khōlō ea matšoao. Li boetse li etselitsoe ho fokotsa ho nahanisisa le tšitiso, ho netefatsa boleng bo phahameng ka ho fetesisa ba matšoao lits'ebetsong tse phahameng tsa bandwidth. Ha litefiso tsa data li ntse li eketseha, tlhoko ea lihokelo tsa fiber optic tse tsoetseng pele e ntse e hola.

10. IC le likarolo tsa Sockets

Li-sockets tsa IC li lumella li-circuits (ICs) ho kenngoa habonolo, ho nkeloa sebaka, kapa ho ntlafatsoa ntle le ho rekisoa. Li-sockets tsena li sebelisoa mefuteng e mengata ea likopo, ho tloha tekong le nts'etsopele ho isa tlhahiso ea ho qetela. Li-sockets tsa IC li sireletsa likarolo tse nang le kutloelo-bohloko mocheso nakong ea ts'ebetso ea soldering 'me li lumella ho tlosoa habonolo haeba ho hlōleha. Li tla ka mefuta e fapaneng, ho kenyeletsoa li-sockets tsa DIP, PLCC, le ZIF (Zero Insertion Force), e 'ngoe le e' ngoe e loketse mefuta e fapaneng ea liphutheloana tsa IC. Ka ho lumella ho nkeloa sebaka ka potlako kapa ho ntlafatsa likarolo, li-sockets tsa IC li ntlafatsa ho tenyetseha le ho boloka lits'ebetso tsa elektroniki.

11. Headers and Wire Housing

Lihlooho le matlo a terata ke likarolo tsa bohlokoa ho meralo e mengata ea PCB, e fanang ka likhokahano tse sireletsehileng bakeng sa lithapo le likarolo tse ling. Lihokelo tsena hangata li sebelisoa lits'ebetsong tse hlokang kopano ea modular, moo likarolo tse fapaneng tsa sistimi li hlokang ho hokahana habonolo kapa ho khaoloa. Li fumaneha ka litlhophiso tsa mela e le 'ngoe le e habeli, ka lipalo tse fapaneng tsa lithapo ho lumellana le litlhoko tse fapaneng tsa wiring. Lihlooho le matlo a terata li sebelisoa nthong e 'ngoe le e' ngoe ho tloha ho lisebelisoa tsa motlakase tsa bareki ho ea ho mechine ea indasteri, moo ho tšepahala le boiketlo ba tšebeliso e leng tsa bohlokoa bakeng sa kopano le tlhokomelo e nepahetseng.

12. Modular / Ethernet Connectors

Lihokelo tsa Modular, ho kenyeletsoa lihokelo tsa Ethernet, li bohlokoa bakeng sa khokahano ea marang-rang libakeng tsa bolulo le tsa khoebo. Lihokelo tsena li fana ka likhokahano tse tšepahalang bakeng sa ho fetisa data ka marang-rang a sebaka sa lehae (LANs), tse tšehetsang puisano ea lentsoe le data. Li-connectors tsa Ethernet, tse kang RJ-45, li etselitsoe ho sebetsana le phetiso ea data e potlakileng ha li ntse li boloka botšepehi ba matšoao ho feta libaka tse telele. Ka tlhoko e ntseng e eketseha ea lits'ebeletso tsa marang-rang tse lebelo le holimo le lits'ebeletso tse thehiloeng marung, lihokelo tsa modular li tlameha ho tsoela pele ho fetoha ho fihlela litlhoko tsa lits'ebeletso tsa sejoale-joale tsa marang-rang.

13. Lihokelo tsa Memori

Lihokelo tsa memori li fana ka khokahano lipakeng tsa PCB ea sistimi le limojule tsa eona tsa memori, joalo ka RAM, SSD, kapa memori ea flash. Lihokelo tsena li etselitsoe ho ts'ehetsa phetisetso ea data ka lebelo le holimo, ho netefatsa ts'ebetso e nepahetseng lits'ebetsong tse kang lipapali, ts'ebetso ea data, le cloud computing. Lihokelo tsa sejoale-joale tsa memori, joalo ka SATA le M.2, li fana ka litefiso tse ntlafalitsoeng tsa data le meralo e kopaneng, e li etsang hore e be tse loketseng lits'ebetso tse haelloang ke sebaka joalo ka li-ultrabook le li-smartphone. Ha theknoloji ea memori e ntse e fetoha, lihokelo li tlameha ho ikamahanya le maemo ho ts'ehetsa litefiso tse phahameng tsa data, bokhoni bo eketsehileng, le litlhoko tse batloang haholo tsa matla.

14. Photovoltaic / Solar Connectors

Lihokelo tsa Photovoltaic li etselitsoe ka ho khetheha lisebelisoa tsa matla a letsatsi, tse hokahanyang liphanele tsa letsatsi ho li-inverters, libeteri le likarolo tse ling tsa sistimi. Lihokelo tsena li tlameha ho khona ho mamella maemo a feteletseng a tikoloho, joalo ka mocheso o phahameng, ho pepeseha ha UV, le mongobo, ha ho ntse ho netefatsa tahlehelo e nyane ea motlakase. Lihokelo tse sebelisoang haholo litsing tsa letsatsi, joalo ka likhokahanyo tsa MC4, li etselitsoe ho kenya kapele le ho tšoarella ha nako e telele. Ha tlhoko ea matla a tsosolositsoeng e ntse e eketseha, lihokelo tsa photovoltaic li bapala karolo ea bohlokoa ho netefatsa ts'ebetso le ts'epahalo ea lisebelisoa tsa matla a letsatsi.

15. Lihokelo tsa Matla

Lihokelo tsa motlakase li na le boikarabello ba ho fetisetsa matla a motlakase ho tloha sesebelisoa se seng ho ea ho se seng. Lihokelo tsena li tlameha ho khona ho sebetsana le maqhubu a phahameng le li-voltage ha li ntse li fana ka likhokahano tse sireletsehileng, tse tsitsitseng. Lihokelo tsa motlakase li sebelisoa lits'ebetsong tse fapaneng, ho tloha ho lisebelisoa tsa motlakase tsa bareki ho isa mecheng ea indasteri. Hangata li entsoe ka mekhoa ea ho notlela ho thibela ho khaola ka phoso le ho netefatsa ts'ebetso e sireletsehileng. Li-jack barrel tsa DC le likhokahano tsa motlakase tsa AC li sebelisoa hangata ho lisebelisoa tsa elektroniki tsa bareki, ha likhokahano tse ikhethang li sebelisoa lits'ebetsong tse matla tsa indasteri le tsa likoloi.

16. RF Coaxial Connectors

Lihokelo tsa coaxial tsa RF li sebelisetsoa ho fetisa matšoao a seea-le-moea a maqhubu a holimo lits'ebetsong tse kang likhokahano tsa mohala, khaso le puisano ea sathelaete. Lihokelo tsena li etselitsoe ho fokotsa tahlehelo ea lets'oao le tšitiso, ho netefatsa botšepehi ba matšoao a fetisoang. Lihokelo tsa coaxial li tla ka mefuta e fapaneng, ho kenyeletsoa BNC, SMA, le mofuta oa F, e 'ngoe le e 'ngoe e loketse mefuta e itseng ea maqhubu le lits'ebetso. Bokhoni ba tsona bo matla ba tšireletso bo li etsa hore li be ntle bakeng sa ts'ebeliso libakeng tse nang le maemo a holimo a tšitiso ea motlakase ( EMI ), moo ho boloka boleng ba lets'oao ho leng bohlokoa.

17. Li-Terminal Blocks

Li-terminal blocks li sebelisetsoa ho hokahanya lithapo le mekhoa ea elektronike, ho fana ka mokhoa o sireletsehileng le o hlophisitsoeng oa ho laola lithapo. Hangata li sebelisoa lits'ebetsong tsa indasteri le tsa khoebo, moo lithapo tse ngata li hlokang ho hokeloa le ho laoloa ka nepo. Li-terminal blocks li fumaneha ka mefuta e fapaneng ea tlhophiso, ho kenyeletsoa li-screw terminals, li-clamp tsa selemo, le lihokelo tsa push-in, e 'ngoe le e' ngoe e fana ka melemo e fapaneng mabapi le boiketlo ba ts'ebeliso le ts'ireletso. Moralo oa bona oa modular o lumella kopano e potlakileng le e bonolo, e ba etsa khetho e tsebahalang lits'ebetsong tsa li-automation le liphanele tsa motlakase.

18. Lihokelo tsa USB

Lihokelo tsa USB li fetohile tekanyetso e akaretsang ea ho hokela lisebelisoa tse fapaneng, ho tloha ho li-smartphone le lik'homphieutha ho ea ho li-printer le li-hard drive tsa kantle. Lihokelo tsa morao-rao tsa USB-C li fana ka sekhahla se potlakileng sa phetisetso ea data le phano e phahameng ea matla, e leng se etsang hore li be ntle bakeng sa ho tjhaja le ho fapanyetsana data lisebelisoa tsa sejoale-joale. Lihokelo tsa USB li etselitsoe ho ba bonolo ho li sebelisa, ka ts'ebetso ea plug-and-play e lumellang lisebelisoa ho hokeloa le ho khaoloa ntle le ho tima sistimi. Ha theknoloji e ntse e tsoela pele ho hatela pele, lihokelo tsa USB li ntse li fetoha ho tšehetsa sekhahla se phahameng sa data, phano e eketsehileng ea matla, le meralo e menyenyane haholoanyane.

19. Li-terminals

Li-terminals ke libaka tsa ho ikopanya tse sebelisetsoang ho hokahanya lithapo le lisebelisoa kapa likarolo. Hangata li sebelisoa hammoho le li-terminal blocks 'me li bohlokoa lits'ebetsong moo likhokahano tse sireletsehileng le tse tšepahalang li hlokahalang. Li-terminal li tla ka mefuta e fapaneng, ho kenyelletsa le li-terminals tsa crimp, li-terminals tsa spade, le li-terminals tsa ring, e 'ngoe le e' ngoe e etselitsoe mefuta e itseng ea likhokahano. Ka mohlala, li-terminals tsa crimp li atisa ho sebelisoa ho wiring ea likoloi, moo li fanang ka khokahanyo e sireletsehileng le e tšoarellang e ka mamellang ho thothomela le khatello ea mochine.

fihlela qeto e

Ka kakaretso, lihokelo tsa PCB li bapala karolo ea bohlokoa ts'ebetsong e tšepahalang ea lisebelisoa tsa elektroniki. Ho khetha sehokelo se nepahetseng ho hloka ho shebisisa lintlha tse kang mofuta oa lets'oao, bokhoni ba hajoale le maemo a tikoloho. Ka kutloisiso e tiileng ea mefuta e fapaneng ea likhokahanyo le ts'ebeliso ea eona, o ka etsa liqeto tse nang le tsebo tse ntlafatsang ts'ebetso le ho tšoarella ha merero ea hau. Haeba o hloka likhokahano tsa boleng bo holimo tsa PCB, likarolo, kapa lits'ebeletso tse felletseng tsa kopano ea PCB, ikutloe u lokolohile ho ikopanya le rona - re mona ho ts'ehetsa projeke ea hau e latelang!