Pressure vessel course by Hossein Sadeghi
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This document contains a list of welding techniques including groove, fillet, plug, and spot welding. Groove and fillet welding involve fusing two materials along a seam, while plug and spot welding fuse materials at specific points.
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- Coordinate with different project departments like safety, procurement, contracts and quality.
- Ensure materials are available on time and resolve any technical or design issues that arise.
- Lead meetings and ensure contractor action plans and schedules are understood.
- Review invoices, punch lists and change orders for approval.
- Oversee commissioning, documentation handover and project closeout.
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- Welding procedure qualifications demonstrate that a set of welding variables can reliably produce sound welds.
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- Ensure materials are available on time and resolve any technical or design issues that arise.
- Lead meetings and ensure contractor action plans and schedules are understood.
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- Incomplete filled groove appears as a dark area at the weld center with diffuse edges.
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The aquaponic system of planting is a method that does not require soil usage. It is a method that only needs water, fish, lava rocks (a substitute for soil), and plants. Aquaponic systems are sustainable and environmentally friendly. Its use not only helps to plant in small spaces but also helps reduce artificial chemical use and minimizes excess water use, as aquaponics consumes 90% less water than soil-based gardening. The study applied a descriptive and experimental design to assess and compare conventional and reconstructed aquaponic methods for reproducing tomatoes. The researchers created an observation checklist to determine the significant factors of the study. The study aims to determine the significant difference between traditional aquaponics and reconstructed aquaponics systems propagating tomatoes in terms of height, weight, girth, and number of fruits. The reconstructed aquaponics system’s higher growth yield results in a much more nourished crop than the traditional aquaponics system. It is superior in its number of fruits, height, weight, and girth measurement. Moreover, the reconstructed aquaponics system is proven to eliminate all the hindrances present in the traditional aquaponics system, which are overcrowding of fish, algae growth, pest problems, contaminated water, and dead fish.
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