맹호연의 세모귀남산歲暮歸南山 미주세계일보 채수경 주필의 칼럼중에서 재주가 없어 임금에게 버림받고(不才明主棄), 병이 많아져 친구도 소원해졌네(多病故人疏), 백발은 해를 재촉하여 늘어지고(白髮催年老), 봄볕은 세월에 밀려 사라져버렸네(靑陽逼歲除), 가슴속 깊은 시름 안고 잠 못 이루는 밤(永懷愁不寐), 창에 어린 송월이 허전하구나(松月夜?虛)... 그렇게 또 한 해가 간다. 더보기 [Conan]The most important thing is understanding of a principle! Yesterday, I had a big problem on the tube heaters. The facility has six tube heaters. These heaters are connected to the humidity controller. When the inside of the car wash facility is so humid, then the controller kicked off the heaters and the fans to ventilate the moisture. otherwise the inside kept too much moisture. Also when it is cold inside, the heaters are kicked off to make the insid.. 더보기 About the car wash business - Part 1 2009-02-24 When I heard about the car wash before I started that kind of business, I just thought that business is so profitable based onthe cost verse the price. Someone who I know runs a car wash in Calgary. His facility is the type of coin-op(coin operating). He said the break even point is 20% of the sales while he owns the business without a loan. That means 80% is the profit. I couldn't b.. 더보기 이전 1 2 3 다음