Section 1:“It is also possible to create a new welding procedure qualification record (WPQR) range of qualification according to this edition based on the existing qualified WPQR, provided the technical intent of the testing requirements of this document have been satisfied. Where additional tests ...
In developing medicinal plant cultivation, competing with food crops should be avoided as much as possible, and the impact on the production of major grain crops should be minimized. Therefore, the full utilization of soil resources in forests, mountains, and wasteland is advocated, and ...