frontal(frontal)apron-plain
AC arc welding power source∥Pulsed arc stabilizer
gas metal arc welding-pulsed arc
Plasma arc ∥ Plasma arc by a microcomputer aided photo processing
twin arc submerged arc welding
Acute frontal sinusitis
ascending frontal bristle
ascending frontal bristles
bilateral frontal contusion and laceration
Bilateral frontal lobe laceration
blind frontal duplex structures
Bruise of bilateral frontal lobes
Chronic frontal sinusitis
cold frontal precipitation
endoscopic frontal sinus surgery
fenestration in frontal bone
Foot wall of nappe frontal fault