For instance, a 40 Nominal Bore U-bolt would be asked for by pipe work engineers, and simply they would be familiar with what that aimed.
ຍົກຕົວຢ່າງ, 40 Nominal Bore U-bolt ຈະຖືກຮ້ອງຂໍໂດຍວິສະວະກອນທີ່ເຮັດວຽກທໍ່, ແລະພຽງແຕ່ພວກເຂົາຈະຮູ້ວ່າມັນຫມາຍຄວາມວ່າແນວໃດ.