Kafin gwajin da ba zai lalata bututun matsa lamba ba, duban walda na gani zai bi ka'idodin. Matsi bututu Weld bayyanar da surface ingancin welded gidajen abinci general bukatun ne kamar haka: waldi ya kamata duba mai kyau siffar, nisa na kowane gefen tsagi gefen 2mm overshadowed dace. Fillet weld tsayin ƙafar ƙafa ya kamata ya dace da buƙatun ƙira, siffar ya kamata ya kasance mai santsi.

(1) Kada ka ƙyale fasa, rashin haɗuwa, pores, slag, spatter wanzu.
(2) The zane zafin jiki ne kasa -29 digiri bututu, bakin karfe da taurare gami karfe bututu ayan zama ya fi girma weld surface, ba tare da undercut. Sauran kayan bututun da aka yanke zurfin zurfin ya kamata ya zama mafi girma fiye da 0.5mm, tsayin daka mai tsayi bai kamata ya wuce 100mm ba, kuma ɓangarorin biyu na weld ɗin suna girma har zuwa kashi 10 na duk tsawon weld ɗin.
(3) Kada ku kasance ƙasa da saman saman walda na bututu. Weld ƙarfafa kuma ba fiye da 3mm, (matsakaicin nisa na weld gidajen abinci bayan tsagi).
(4) Wuraren welded gefen kuskuren bangon kauri ya kamata ya zama ƙasa da 10% kuma bai wuce 2mm ba.