The most crucial is, base material still should accord with environmental protection requirement, especially adhesive, the harmful gas that they release will perplex your bedroom for a long time.

最要害的一点是，基材还应符合环保要求，尤其是胶粘剂等，它们释放的有害气体将长期困扰你的居室。

youdao

This is a combination of sophisticated steerable drilling technology using modern micro-seismic imaging and advanced material sciences, to create webs of minuscule cracks in shale and release abundant trapped natural gas.

FORBES: Egypt fallout -- follow Exxon and T Boone Pickens; go long natural gas and frack-baby-frack