Asked by Samantha Burnett on Apr 24, 2024

​Visible fibers of various lengths and color complicate copying,and invisible fibers can be viewed from either side of the paper using black (UV) light

A) ​warning bank
B) ​MP logo
C) ​padlock icon
D) ​security screen
E) ​toner adhesion
F) ​chemical reactive paper
G) ​prismatic multicolored background
H) ​secure document check face
I) ​colored pantograph
J) ​foil hologram
K) ​visible or invisible fibers
L) ​thermochromic heat-sensitive icon

Visible Fibers

Fibrous materials or threads that can be seen with the naked eye, often referring to those found in textiles, paper, or other composite materials.

Invisible Fibers

Microscopic or very fine fibers that are not visible to the naked eye, which can be natural or synthetic and have various applications, including in textiles and forensic science.

Black (UV) Light

Ultraviolet light that is not visible to the human eye but can cause fluorescent materials to glow, often used for amusement or inspection.

  • Perceive the necessity of detecting and implementing particular safeguarding measures in checks to prevent deceitful activities.
  • Recognize the role of technology in authenticating checks and the importance of features like toner adhesion and chemical reactive paper.