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The hypothetical currency is sometimes referred to as the afro or afriq. [2] In April 2021, Wamkele Mene, Secretary General of the AfCFTA said: "I don't know how long it will take for Africa to have a common currency. It may not happen in our lifetime, but we have got to start somewhere to address the multiplicity of currencies as a constraint ...
Gas metal arc welding (GMAW), sometimes referred to by its subtypes metal inert gas (MIG) and metal active gas (MAG) is a welding process in which an electric arc forms between a consumable MIG wire electrode and the workpiece metal(s), which heats the workpiece metal(s), causing them to fuse (melt and join).
Gas metal arc welding (GMAW), also known as metal inert gas or MIG welding, is a semi-automatic or automatic process that uses a continuous wire feed as an electrode and an inert or semi-inert gas mixture to protect the weld from contamination. Since the electrode is continuous, welding speeds are greater for GMAW than for SMAW.
This is a list of welding processes, separated into their respective categories. The associated N reference numbers (second column) are specified in ISO 4063 (in the European Union published as EN ISO 4063 ). [ 1 ]
Note: administered by/occupied by South Africa since 1915: Currency of Namibia 1990 – 1993 Legal tender in Namibia 1993 – Succeeded by: Namibian dollar Reason: withdrawal from Common Monetary Area Ratio: at par Note: dollar introduced in 1993, with South African rand remaining legal tender: Currency of Basutoland 1961 – 1966 Currency of ...
Arc welding power supplies can deliver either direct (DC) or alternating (AC) current to the work, while consumable or non-consumable electrodes are used. The welding area is usually protected by some type of shielding gas (e.g. an inert gas), vapor, or slag. Arc welding processes may be manual, semi-automatic, or fully automated.