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An assembly  line is a type of industrial production in which prefabricated.the assembly line has basic or compelex part.
the basic assembly line consists of conveyor line.it is easy to make it very very achievable which carries the production through a stations reaching the end.the complex consists of feeder line to carry the production,along with the other equipment ,for example cars.
the principle and skill of assemly line,operator should be master.The assembly line was first used on a large scale by the meat-packing industries of Chicago and Chincinnati during the 1870s.the steps of assembly line has several parts.
assembly line step 1,the sequence
the sequence in which a product's component parts are put together must be planned and actually designed into the process.
assembly line step 2,conveyor line
when you finish the step 1,the component passes form station to station by conveyor.then by the last station,the product is assemblyed.
assembly line step 3,make sure the quality
the produce pass the station,the system should make sure that the good quality goods are produced.and we've got to pay more attention to profitability and cost control.

the orginal from assembly line step