Electrical Troubleshooting Pro 对比 The Tube & Pipe Journal 的使用情况和统计数据

TPJ - The Tube & Pipe Journal® became the first magazine dedicated to serving the metal tube and pipe industry in 1990. Today, it remains the only North American publication devoted to this industry and it has become the most trusted source of information for tube and pipe professionals. Subscriptions are free to qualified tube and pipe professionals in North America. TPJ is the official publication of the Tube & Pipe Association (TPA). Published eight times per year, no other magazine features as many useful articles on every aspect of tube and pipe technology. Take a look at some of the areas covered by TPJ: • Tube Producing • Service Centers • Materials • Hydroforming • Bending & Forming • Welding • Cutting • Sawing • Coil & Material Handling • Testing & Quality Control • Tooling This application is powered by GTxcel, a leader in digital publishing technology, provider of hundreds of online digital publications and mobile magazine apps. 1 year subscription for $6.99 or a single issue for $0.99. Subscriptions will start from the most current eCommerce enabled issue going forward for one year from the date of purchase. Your subscription will automatically renew via your app store account 24-hours prior to the end of your subscription at the rate of $6.99 for one year. You can turn off the auto-renew feature up to 24-hours before the end of your subscription by going to your Account Settings after purchase. Subscriptions cannot be cancelled during the active subscription period.