easy

if you need lighting or power source, contact me pls. design and consult China

This may not be quit right, Im from China, and I can solve differential equation and complex variable function and matrix, but I can only get salary less than 16 yuan RMB/day = 6000rmb/year (equil to less than about 3 USD/DAY),

Does it need to reaserch? hundreds of years ago educatin in china has been proved this result. knowing more science facts is not equal to having more ability to do case reasoning. To deal with examination, chinese student has to remember many useless materials, and these materials will be fogotten after exam.

why so few people come to visit? what do you do now? seeking job or keep silence?

so cold place. nobody response? its not a difficult prob    

so cold place.  

its easy, I can offer you such switcher  

your view is side very much. usa is still a big manufacture country in the world which has high tech manufacture, but china or some asia countries only have low level manufacture. if you hope to take this job back to usa, you hve to reduce your workers salary, as low as that in china or asia contries.  

there are lots of current sensor on the market now, you can search on most of search engine like yahoo. google etc. you can use resistor as a curent sensor, but its very dissipate energy especially in large current condition. like your state. you can use hall but its sometimes very expensive and precision, in fact you can choose winding sensor ...