Ihe zoro ezoihe nfesabụ nke iko mejupụtarabọlbụ ihe nfesa, ịghasa oche aka uwe, elu mkpuchi oche na elu mkpuchi. Nkeihe nfesana screw soket na-arụnyere na pipeline nke netwọk ọkpọkọ ọnụ, na mgbe ahụ, mkpuchi mkpuchi.