Recovery & Recycling第 221 / 240 题
A one-trip (disposable) refrigerant cylinder should be:
a.Never refilled or used to store recovered refrigerant
b.Refilled with recovered refrigerant to save money
c.Used as a recovery cylinder if it is clean
d.Pressurized with nitrogen and reused
解析
Disposable one-trip cylinders are designed to be used once and must never be refilled or used to store recovered refrigerant; refilling them is illegal and dangerous. Recovered refrigerant goes only into refillable DOT recovery cylinders. When empty and recovered, one-trip cylinders are rendered safe and recycled as scrap.
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