Isitya soxinzelelo
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Isitya soxinzelelo
Siye safumana iinjineli zezixhobo ezinolwazi nge-GB, i-ASME, i-BS, i-ASTM, i-API, i-AWS, i-ISO, i-JIS, i-NACE njl. ukuphononongwa, ukuyila kunye nokuphononongwa kwenkqubo, ukuhlolwa kwezinto ezifunyenweyo, ukuhlolwa kokusika, ukuhlolwa kokwenza, ukuhlolwa kwenkqubo ye-welding, uhlolo olungonakalisi, ukuvulwa kunye nokuhlolwa kwendibano, unyango ubushushu post-welding kunye novavanyo hydrostatic...