1. Hlahloba ka hloko tlhahisoleseding ea sehlahisoa, joalo ka phala e tloaelehileng, thepa, phala ea tšepe e se nang sekoli kapa phala ea tšepe ea Korea, palo ea limithara, palo ea likotoana, bolelele, jj., ho bona hore na tlhahisoleseling e hlokahalang e feletse.
2. Bakeng sa tlhahisoleseding ea imeile e rometsoeng ke bareki, re tla e kenya tsamaisong ea bareki ba k'hamphani ea rona, joalo ka ho eketsa tlhahisoleseling ea ho ikopanya le WhatsApp le mecha ea litaba ea sechaba, e le hore re ikopanye le bareki ka nako le ho buisana ka liodara.
3. Hlophisa lipotso tsa bareki 'me u etse litheolelo. Ts'ebetsong ena, re tla li romella ho sehlopha sa rona sa bafepedi, bafepedi ba liphaephe tsa tšepe ea khabone, bafepedi ba liphaephe tsa alloy, bafepedi ba liphaephe tse welletsoeng, le lik'hamphani tsa boeletsi tsa ho tsamaisa thepa ka likepeng kapele kamoo ho ka khonehang, re kopanye litheolelo tsohle tsa litšenyehelo, 'me re khethe theko e loketseng ka ho fetisisa, nako e loketseng ka ho fetisisa ea ho isa thepa, k'hamphani e ntle ka ho fetisisa ea ho romella thepa, jj. ho qotsa bareki.
4. Ha re se re badile dikahare tsena tse rarahaneng, re tla o fa tokomane e kgutshwanyane, e kgutshwanyane, le e ntle bakeng sa tshupiso ya hao. Ena ke tlhompho ya rona ho motswalle e mong le e mong wa bareki.
5. Sehlopheng sa rona, re tla qala ho sebetsa mmoho hang ha re fumana potso ea hau. Ena ke tiisetso eo sehlopha se ka u fang eona. Re loanela ho u fa khotheishene e ntle ka ho fetisisa nakong ea lihora tse 24. Ka linako tse ling mofani oa thepa o hloka ho nahana ka bongata bo fokolang ba odara, mehlala e rarahaneng, le lihlahisoa tse sa tloaelehang, tse tla nka nako. Ka kopo utloisisa.
6. Qetellong, ke rata ho tsebisa khamphani ea ka: Tianjin Zhengneng Pipe Industry Co., Ltd., mofani oa thepa ea nang le boiphihlelo ba ho fana ka liphaephe tsa profeshenale ka lilemo tse fetang 30. Tataiso ea tšebeletso ea k'hamphani ea rona: tšebeletso ea ts'ebetso e felletseng ea ho emisa hang, e bolokang nako le litšenyehelo tsa bareki ho tsoa taolong ea thepa e tala, ho paka, ho penta, ho romella thepa, jj. Khamphani ea rona e na le lithane tse 200,000 tsa liphaephe tsa tšepe ea carbon ka khoeli. Lihlahisoa tse ka sehloohong ke liphaephe tsa boiler, liphaephe tsa liphaephe, sekoahelo sa oli, liphaephe tsa ho petsola oli, liphaephe tsa phapanyetsano ea mocheso le liphaephe tsa mechini. Litekanyetso tse ka sehloohong le maemo a tšepe keASTM A335 P5, API5L GRB, ASTM A106grb, EN10216-1 P235TR1, ASTM A192, jj. Sheba tafole e latelang bakeng sa selelekela: