Subject: Dust-proof
9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.
Airborne • Automotive • Certification • Cleaned • Cleaning • Common • Completely • Contamination • Create • Depends • Design • Effective • Entry • Factories • Factors • Harmful • High • How • Humidity • Important • Impossible • Industry • Levels • Long • Lot • Low • Make • Manufacturing • Metal • Paper • Particles • Piece • Possible • Prevent • Product • Professional • Protect • Quality • Require • Should • Silicone • Soap • Some • Tool • Use • Used • Using • Will • Workers • Years