-Check the jigsaw puzzle clues, clues and hygiene must be clean grinding rust, grease and other chemicals such as paints, acids ..., the clue must be pinned clean slag grinding, pruning the deep burning holes trapped slag serves for welding;-The approximation error of the wind cuts, a stone relief grinding to handle the stain up before mounting;-The rust, paint, chemicals, hygienic grinding of welding point out 20 mm, the stain attached falling hard after baptism must clean not flat grinding defects in basic materials
đang được dịch, vui lòng đợi..
![](//viimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)