So you'll have to buy a welder, a grinder, a chop saw, a drill press, a welding hood, gloves and a few other things."

I recommend that you tighten and then use crazy glue or JB Weld to prevent them from working loose.  

Fabricating and welding the exchanger was the hardest part. 

From industrial maintenance to QA/QC inspecting in the welding field.  

They are square or rectangular and mount horizontally on a welded wire stand which is inserted into the corrugated plastic sign and other end into the ground.

They last FOREVER because the membrane is prefabricated and hand welded at the seams. 

. $150 an axle(most double wides have 8 total), 175 for bolt on tongue 325 for welded, disconnect utilities 250-500.

Water know can get to a point where it will cause cracks in the copper pipe welds over time.

The office of Adult and Continuing Education in NYC also offers free courses on electrical, welding, carpentry, plumbing, solar install, a/c and refrigeration, boiler maintenance and building maintenance. 

Quote came in for $3,275 to replace the 9-ft (108 in) 3-panel sliding glass door ($1,575 for Jen-Weld vinyl door from glass guy, $1,700 from contractor that original glass guy recommends).