hat
4. Adopsyon nan mond pi popilè reflete metal tep mezire sistèm echèl, ki te gen yon fèmen koyefisyan ekspansyon tèmik ak pi moso travay ak asire yon repetition bon.
eng
4. Adoption of world famous reflecting metal tape measuring scale system, which has a close thermal expansion coefficient with most work piece and assure a good repeatability.