Many U-joint applications are available both greasable and nongreasable, and which is stronger has long been debated. Proponents of nongreasable U-joints state that drilling a hole in the cross of the U-joint and tapping it for a grease zerk weakens the body of the joint.any U-joint applications are available both greasable and nongreasable, and which is stronger has long been debated. Proponents of nongreasable U-joints state that drilling a hole in the cross of the U-joint and tapping it for a grease zerk weakens the body of the joint.
Answer: BAK files are Backup Files primarily associated with Unknown Apple II File (found on Golden Orchard Apple II CD Rom). BAK files are also associated with Backup and FileViewPro. Additional types of files may also be using the BAK file extension.
up vote 2 down vote. APK (Android Package) file is a file format which is created by Google. This format is one of the group members of Executable Files (similar to EXE, MST, AIR). APK file extension is in the Open Handset Alliance which is a mobile phone platform based on Linux. This file extension is especially created when using Google's Android SDK.