That is teeth, also known as screw. It is the name of the Han nationality furniture parts in the Ming and Qing Dynasties. The corresponding standard is not found in the national standard, correspon...
A new report titled, “Global Screw Cap and Pilfer Proof Cap Market Professional Report 2020-2025” has been added by Garner Insights in its database of research reports. The scope of the report incl...
A passenger wears a face mask on an almost empty Swiss Air flight from Hamburg, Germany to Zurich, Switzerland, on March 22, 2020, in Hamburg, Germany. Airlines worldwide have had to cut back fligh...
A screw refers to a screw (foreign name: Screw). It is a tool that utilizes the physical and mathematical principles of the circular rotation and frictional force of an object to gradually tighten ...