ລະບຸວັດສະດຸຂອງ ໜ້າ ກາກເບື້ອງຕົ້ນ

ຄຳ ອະທິບາຍຕໍ່ໄປນີ້ແມ່ນວິທີການ ກຳ ນົດວັດສະດຸຂອງ ໜ້າ ກາກເບື້ອງຕົ້ນ

ລະບຸວັດສະດຸຂອງ ໜ້າ ກາກເບື້ອງຕົ້ນ. ຄົນທີ່ມີຄວາມຮັ່ງມີຈະເຂົ້າໃຈວັດສະດຸຂອງ ໜ້າ ກາກເບື້ອງຕົ້ນ, ຄວາມ ໜາ ຂອງ ໜ້າ ກາກທັງ ໝົດຕົ້ນງິ້ວ, etc., as soon as they touch the maskຕົ້ນງິ້ວ. However, as a novice who has just stepped into the field of entrance shieldຕົ້ນງິ້ວ, it is obvious that it depends on the accumulation of work experience to achieve that level. The ways to distinguish theຕົ້ນງິ້ວ of the mask include: touching (the feel of theຕົ້ນງິ້ວ of the mask), observing its color, burning, etc.

 

Touch method, cotton mask ear straps, polyester mask ear straps made of cotton, feel soft, smooth, bright in color, smooth, and light in material; mask ear straps made of polypropylene cloth (PP) feel astringent and hard. Smooth, poor smoothness; polyester mask ears have a dull tone, but have good washing fastness and a heavier proportion; polyester staple silk (also known as polyester civilian silk, alias polyester) polyester civilian silk maskຕົ້ນງິ້ວ feel Similar to cotton material, it feels soft.

 

Combustion method: Use fire to ignite it, observe the burning flame, smell the smell after burning, look at the burned waste, and then distinguish the material of the maskຕົ້ນງິ້ວ.