Then, as a normal user that has no knowledge of explosion protection system, how can he select a good product from the bad ones?
那作为并非防爆系统专业人士的普通用户，他怎么样才能够从中进行鉴别挑选呢？
2
Explosion proof performance: This product is intrinsically safe explosion-proof highest level (IA), available in various inflammable and explosive places (including 0 districts) work completely.
防爆性能：本产品具有本安型最高防爆等级(ia)，可在各种易燃易爆场所(含0区)内完全工作。
3
Ultrafine diamond (UFD) is a hybrid product of explosion mechanics and material science.