[ad_1] Journal bearings are used to connect two components and consist of a metal pin or piston surrounded by a metal ring, with a steel ball bearing often used instead of a plain metal ring. There are two types of trunnion bearing designs, center pivot and end bearing, with each rated by the manufacturer based […]
[ad_1] Pivot tables sort data by specific criteria, allowing for easier data analysis and presentation in multiple formats. They automate the process of aggregating sales data and can save hours of manual analysis work. Pivot queries are available in advanced database tools and can be used as a raw reporting tool. The data returned can […]