At the same time, the working period is reduced, the reinforced bar saved and the qualification rate raised. And it is simply operated without open fire and pollution thus worth popularizing.

同时，缩短了工期、节约了钢筋、提高了合格率，而且操作方便、无明火、无污染。

youdao

There is a promise that the "bar for entry and assessment for the qualification will be raised".

BBC: Heads qualification will no longer be compulsory