FFP1（The filtering effect is more than 80%）FFP2（The filtering effect is more than 94%）FFP3（The filtering effect is more than 97%）

(1) based on the hazards of the environment;(2) based on the hazards concentration;(3) based on the operation characteristics andenvironment conditions;(4) based on the suitability test;

(1) based on the hazards of the environment;(2) based on the hazards concentration;(3) based on the operation characteristicsand environment conditions;(4) based on the suitability test.

(1) Check the "three certificates", production license, product qualification certificate, safety identification card.(2) Check the identification. The safety shoes should have the shield identification of safety protection as it belongs to the national labor protection products.(3) Screen safety shoes through the following aspects: Shoe Type: whether the width of shoes is suitable for the foot;...

(1) Check the"three certificates", production license, product qualificationcertificate, safety identification card. The PPE, which is produced and sold inour country, shall have the above certificates in accordance with theregulations.(2) Check theidentification. Check whether the permanent identification and productdescription are complete and accurate. The helmet should have the shield identifi...