英和和英

a female contraception method of using a polyurethane sponge diaphragm-like device

in science, a method used to differentiate minerals, based on their chemical separation, called the gravity concentration

wet ashing method

a method of distilling under reduced pressure

a process of refining metals called deoxidation

a method of mining using a mine shaft

a semipermeable membrane used in reverse osmosis

the method of seeding called dibbling

the method of producing metal powder called atomizing method

a method processing boards for plasticity, called reduction

rust prevention treatment for steel, called parkerizing

a type of welding called thermit welding

a method of iron manufacturing that makes use of foot bellows, called 'tatarabuki'

a missile guidance system called {passive homing}

ceramics

to sow seeds in clusters

a mold called a greensand mold

a method of casting metals, called centrifugal casting

a metallurgical process called thermit process

a mining method called the {inclined-shaft method}

a water purification method called {deep shaft method}

a method of processing seeds named stratification

a method of filtering water, called {sand-filtering}

a medical treatment, called poultice

salt-manufacture by spontaneous evaporation

a process of melting metals called an {electro slag process}

a method for reviving the ancient environment called plant production

a method of forging steel called the single open-hearth process

a method of hardening the surface of copper, called cyanide process

a way of making steel called the acid steel-making process