Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
1) Assemble pipe sections, tubing and fittings, using couplings, clamps, screws, bolts, cement, plastic solvent, caulking, or soldering, brazing and welding equipment. 2) Fill pipes or plumbing fixtures with water or air and observe pressure gauges to…