the dry or wet gradient forcing

pull up by the roots

soak up the sun

Blistering of barks by the sun

under the sun

acetylene by dry process

acetylene generated by dry method

acetylene generatied by dry method

acetylene produced by dry process

acetylene production by dry method

Design of the dry dock

digestion by dry method

dry in the sun

dry or sinter

dry up

dry-up of well

electrolyte dry up

film by dry method

hydrogen by dry purification