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What does LEV stand for?

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in Casting-Forming-Welding I by (687k points)
What does LEV stand for?

(a) Local Exhaust Ventilation

(b) Limited Entry Ventilation

(c) Local Entry Ventilation

(d) Limited Exhaust ventilation

I had been asked this question in final exam.

I want to ask this question from Dust Control and Dust Extraction in Foundry topic in chapter Foundry Environment Health & Dust Problem in Foundries of Casting-Forming-Welding I

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Correct answer is (a) Local Exhaust Ventilation

Easiest explanation: The LEV stands for Local Exhaust Ventilation system. This system has a ventilation place in a downward direction with a turn table to help manipulate the castings.

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