1. Lati ifojusi ti ipa iselona, ipa ti aṣa tialuminiomu imu Afarani pato dara ju ti tiṣiṣu imu Afara, and it fits more closely to the face. Most of the domestic masks use ṣiṣu imu Afara, which is light in texture; but the effect is not good, and it will rebound after pressing down.
2. From the perspective of production cost, the cost of the ṣiṣu imu Afara is lower.
3. From the perspective of the types of masks used, aluminiomu imu Afara commonly used N95 masks with high requirements and masks with similar N95 effects. Plastic nose bridge wires are mostly used in disposable masks.