ঝালাই

সাইটের অন্য পাতায় এই শব্দগুলো

• Vocational education is training that teaches a specific practical trade — electrical work, welding, motor mechanics, tailoring, nursing — rather than an academic subject.

  Vocational Education →

• An arc puts out ultraviolet strong enough to burn the surface of the eye, and the burn does not hurt at the time — the pain arrives some hours later, like sand under the lids. Sunglasses do not filter it. A shaded welding mask does, and so does a screen around the work, because anyone standing nearby is exposed too.

  welder — dictionary →

• A wire carries current along itself. An electrode is where current leaves the metal and enters something else — a liquid, a gas, a flame, a body. The welding rod, the two plates in a battery, the pads on a hospital monitor are all electrodes.

  electrode — dictionary →

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