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กาหยอดน้ำมันหล่อลื่น
(english) A small lathe mounted on a bench or table.
(english) Raising a ridge on sheet metal
(english) Resting an irregularly shaped core on a bed of sand for drying.
(english) Molten metal on the hearth of a furnace, in a crucible, or in a ladle
(english) Developing a smooth finish on a metal by tumbling or rubbing with a polished hand tool.
(english) The resultant of a system of forces causing rotation without translation. A moment can be expressed as a couple.
(English) Coatings on hot-dipped galvanized steels processed to convert the coating completely to zinc-iron alloys; dull gray in appearance, have no spangle, and after proper preparation, are well suited for painting.
(English) The top level of the boiler firebox where four oil guns are located. The oil guns are used to produce steam and maintain pressure while the boiler is on oil fire.
(english) A second bottom board on which molds are opened.
(english) (BSO)A lubricant applied on electrolytic chromium coated steel
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