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.
A Mutation Annotation Format (MAF) is a tab-delimited file containing somatic and/or germline mutation annotations. MAF files containing any germline mutation annotations are kept in the controlled access portion of the Data Portal, MAF files containing only somatic mutations are kept in the open access portion of the Data Portal. MAF files are considered Level 2 files.