Induku yokulinganisa ukuphakama kwempahla yokushisa eyindilinga eyi-telescopic iyisilinganiso se-metric, induku yokushisa eyinhloko yenziwe ngeshubhu yengilazi ye-epoxy enamandla aphezulu, umkhiqizo unezakhiwo zikagesi nezemishini ezinhle kakhulu, ukuphakama kwenduku kunesisindo esincane, kulula ukusebenza, kungalinganiswa kusukela ekuphakameni komhlaba kwezimpahla, kodwa futhi nokuphakama kwezintambo zikagesi eziphezulu, izintambo zokuxhumana, njll.