Plumbing, Drain-laying and Gas-fitting | Level 3 | 2022
مخطط الموضوع
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Monday 06/09/2021
We looked into different types of HWC installations.
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Tuesday 07/09/21
Lesson on trap seal losses reasons why and how.
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Recorded on 7/09/21 at 14:00
This covered how discharge units are used for waste pipe sizing.
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