As a special type of aviation hydraulic pipe joint, a beam seal comprises two annular sealing areas.This paper presented a leakage model for an annular sealing area based on a developed three-dimensional percolation grid model and the porous Soda Chargers medium theory.Both average contact pressure and true contact width of the beam seal were simul
Zakat is an obligation that must be carried out by muzakki that not only aims to carry out obligations to Almighty but sharp-edged nature of social justice among mankind.Therefore charity must be managed properly by the board amilin especially by channeling zakat use specifically targeted at Tasikmalaya City Baznas charity board.The study was to ex
The study discusses certain rules of group litigation in the civil procedure in the context of the legal status of class members in procedural relations.Attention is paid to the rights and obligations of the person who applies to court with a request to protect the rights and legitimate interests of a group of members.Participants in a class action