跟讀練習: Types Of Manufacturing Processes (Job Shop, Batch, Mass, Flow, Process Type Manufacturing Processes) - 通過影片學習英語口語
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50 句
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Different production systems require different types of manufacturing process and require different conditions for their working.
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Selection of manufacturing process is a strategic decision as any change in the same is very costly and time -consuming affair.
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Therefore the manufacturing process is selected at the stage of planning a business venture.
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This must be selected keeping in view two important parameters, which are two, meeting the specification of the final product, and to be cost -effective.
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The manufacturing process is classified into four types.
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Number 1, Jobbing Manufacturing Process.
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Number 2, Batch Manufacturing Process.
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Number 3, Mass or Flow Manufacturing Process.
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And, Number 4, Process Type Manufacturing Process.
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Let's start by discussing about Jobbing Manufacturing Process.
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This is used to produce one or few units of the products as per the requirement and specification of the customer.
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Production is to meet the delivery schedule and costs are fixed prior to the contract made with the customer.
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Batch Manufacturing Process This is used to produce limited quantities of
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each of the different types of products in the form of batches.
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These batches of different products are manufactured on same set of machines.
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Different batches or products are produced separately one after the other.
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Mass or flow manufacturing process.
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This is used to produce a large quantity of same product at a time that is stocked for sale.
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All machines and required equipments are arranged according to the sequence of operations, termed as line arrangement or line flow.
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This ensures very high rate of production.
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One line arrangement can produce only one type of product.
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Therefore, a different line arrangement is needed for a different product.
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And, process type manufacturing process.
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This is used to produce the products which need a particular process, definite sequence of operations.
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For example, petroleum.
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In this, production run is conducted for an indefinite period.
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So, what are the factors affecting the choice of manufacturing process?
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Now let's discuss the factors needed to be considered before making a choice of manufacturing process.
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Factor number 1, Effect of Volume and Variety.
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This is one of the major considerations in selection of manufacturing process.
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When the volume is low and variety is high,
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intermittent process is most suitable and with increase in volume and reduction in variety continuous process become suitable.
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The following figure indicates the choice of manufacturing process as a function of volume and variety.
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Factor number 2, Capacity of the Plant Predicted sales volume is the key factor to make a choice between batch
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and line process.
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In case of line process, fixed costs are substantially higher than variable costs.
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The reverse is true for batch process thus at low volume it would be cheaper to install
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and maintain a batch process
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and line process becomes economical at higher volumes factor number three
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lead time the continuous process normally results faster deliveries as compared to batch process therefore lead time
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and level of competition certainly influenced the choice of production process
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and factor number four flexibility
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and efficiency the manufacturing process needs to be flexible enough to adapt contemplated changes
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and volume of production should be large enough to lower costs
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hence it is very important for entrepreneur to consider all these
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mentioned factors before taking a decision pertaining to the type of
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manufacturing process to be adopted as far as small -scale enterprises
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are concerned they usually adopt batch processes due to less volume of production
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and low investment once the entrepreneur has made a final choice pertaining to the product design production system
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and process his next critical decision is the production and planning control decision
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本課的詞彙與口語要點
這段影片共有 50 個句子、596 個單詞可供跟讀。 講話部分時長為 4:09。 說話人語速平穩，每分鐘約 144 個詞，很適合跟讀。 85% 的單詞屬於英語最常用的 3,000 詞，其餘的詞建議在練習前先學一下。
影片中的重點詞彙
影片中 15 個值得學習的單詞，附發音和釋義：
| 單詞 | 發音 | 釋義 |
|---|---|---|
| batch 名詞 | /bæt͡ʃ/ | 批次, 批 |
| arrangement 名詞 | /əˈɹeɪnd͡ʒmənt/ | 排列, 安排 |
| select 動詞 | /sɪˈlɛkt/ | 選 /選, 挑選 /挑選 |
| suitable 形容詞 | [ˈsjuː.tə.bɫ̩] | 合適 /合適, 適當 /適當 |
| sequence 名詞 | /ˈsiː.kwəns/ | 序列, 順序 /順序 |
| continuous 形容詞 | /kənˈtɪn.juː.əs/ | 連續的 /連續的, 不斷的 /不斷的 |
| adopt 動詞 | /əˈdɑpt/ | 收養 /收養 |
| quantity 名詞 | /ˈkwɑn(t)ɪti/ | 數量 /數量, 量 |
| entrepreneur 名詞 | /ˌɑn.tɹə.pɹəˈnɝ/ | 企業家 /企業家 |
| specification 名詞 | 規格 /規格, 規範 /規範 | |
| compare 動詞 | /kəmˈpɛɚ/ | 比, 比較 /比較 |
| strategic 形容詞 | /stɹəˈti.dʒɪk/ | 戰略的 /戰略的 |
| reduction 名詞 | /ɹɪˈdʌk.ʃən/ | 還原 /還原, 還原作用 /還原作用 |
| efficiency 名詞 | /ɪˈfɪʃ.ən.si/ | 效率, 效能 |
| enterprise 名詞 | /ˈɛntəˌpɹaɪz/ | 企業 /企業 |
需要注意的發音
- “sh” 和 “zh” 音: reduction /ɹɪˈdʌk.ʃən/, efficiency /ɪˈfɪʃ.ən.si/, consideration /kənˌsɪd.əˈɹeɪ.ʃən/
- 長單詞——注意重音位置: continuous /kənˈtɪn.juː.əs/, entrepreneur /ˌɑn.tɹə.pɹəˈnɝ/, efficiency /ɪˈfɪʃ.ən.si/, consideration /kənˌsɪd.əˈɹeɪ.ʃən/, flexibility /ˌflɛksɪˈbɪlɪti/
如何用這段影片練習
- 先完整聽一遍影片，不要開口，記下不認識的單詞。
- 用正常速度逐句跟讀，每句重複到你的節奏與說話人一致為止。
- 錄下自己的聲音並與原聲對比，特別注意 batch, arrangement, select 這類單詞。
什麼是跟讀法？
跟讀法 (Shadowing) 是一種有科學依據的語言學習技巧，最初開發用於專業口譯員的培訓，並由多語言者Alexander Arguelles博士普及。這個方法簡單而強大：您在聽英語母語原聲的同時立即大聲重複——就像是一個延遲1-2秒緊跟說話者的影子。與被動聽力或語法練習不同，跟讀法強迫您的大腦和口腔肌肉同時處理並模模擬實的講話模式。研究表明它能顯著提高發音準確性，語調，節奏，連讀，聽力理解和口語流利度——使其成為雅思口語備考和真實英語交流最有效的方法之一。