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Certain blue fabric dyes (such as indigo) are very light-fast (they do not fade when subjected to strong light. This is a desirable quality and has become standard for work clothes.

Maybe that's because clothes in this color are subject to dirt.

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13y ago

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What is the salary of second engineer in merchant navy?

It depends on the specialisation of the industry sectors, I.e oil & gas, cable/pipe laying, ferries etc. It is generally around £40k-45k.


What are facts about engineering?

"Nothing is true, everything can be questioned" but while learning the basics one should not question :( It takes an engineer to undertake the training of an engineer and not, as often happens, a theoretical engineer who is clever on a blackboard with mathematical formulae but useless as far as production is concerned ;)


What is a salary in merchant navy starting as a engineer cadet?

As an engineering cadet in the merchant navy, starting salaries typically range from $600 to $1,200 per month, depending on the shipping company and the region of employment. Cadets often receive additional benefits such as accommodation and meals while onboard. Over time, as they gain experience and complete their training, salaries can significantly increase with promotions and advancements in rank.


Who invented greek fire?

the byzantines navy


How much money do you get for designing submarines?

There is no single job for submarine design. Design is done by teams of engineers, working to specifications and performance standards set by contract with either General Dynamics (Electric Boat) or Newport News Shipbuilding and Drydock Company, at least here in the U.S. The contract will have what the Navy wants, and the 2 companies come up with a design they believe will fit the Navy's requirements. There are literally many engineers that work on the project. Design and development is usually a collaborative process that takes years. I remember being briefed by COMSUBLANT on the Seawolf-class design in 1985, long before it was built. Salary depends also on who you're working for and what systems you're designing. Nuclear engineers tend to make more, and it also depends on whether you're military, civilian government, or a contractor. Contractor employees will always make more than their government counterparts, but many contractor engineers are also former Naval officers/engineers. In the end it's really not about submarine design as it is about being an Electrical, Mechanical, Hydro, Electronics, Nuclear, etc. engineer and the going rate for your experience level in Naval engineering.