Nā hiʻohiʻona:

1. Hoʻopili ʻia ka hāʻule puka waho i ka hui ʻana o ka paipu kulu palaki a me ka paipu hāʻule telescopically.

2. Hoʻopili ʻia ka hāʻule puka waho i ka paipu maʻalahi me ka pahu telescopically drop.

3. ʻO ka hui puʻupuʻu maʻalahi φ75-φ60 i hoʻopili ʻia i ka hāʻule puka a me ka pahu kulu telescopical φ60mm φ75mm

4. I ka hāʻule ʻana o ka ʻai lua-maka no ka puka puka ʻana, pono e emi ke kihi ma mua o 45 degere a ʻoki iki ka puka wehe.