Prerequisites: The path can be visi

Prerequisites:
The path can be visible like a black
line on a white surface (or vice-versa) or it can be invisible like a magnetic field.

The path
โครงสร้าง

ผลลัพธ์ (อังกฤษ) 1:

Prerequisites: The path can be visible like a black line on a white surface (or vice-versa) or it can be invisible like a magnetic field.The pathStructure.

ผลลัพธ์ (อังกฤษ) 2:

Prerequisites:
The path Visible Can be like a Black
White Line on a surface (or Vice-Versa) Can it be Invisible or like a Magnetic Field. The path structure.