The variety of shielding gases used in arc welding can be a confusing topic. However, the use of an external shielding gas is a necessary component for some processes, as it is a requirement for surrounding and protecting the arc and molten weld metal from contamination by the atmosphere.
Consonant Digraphs. Second Grade. Spelling/Phonics. Consonant Digraphs Consonant digraphs are two (or three) letters that come together to make one sound. The difference between blends and digraphs is that blends are two letters that make two sounds and digraphs make one sound.onsonant Digraphs. Second Grade. Spelling/Phonics. Consonant Digraphs Consonant digraphs are two (or three) letters that come together to make one sound. The difference between blends and digraphs is that blends are two letters that make two sounds and digraphs make one sound.
Consonants are formed by controlling the breath flow and shape of the mouth and tongue. Consonants cannot be spoken alone. Those who think they are teaching a consonant sound are usually adding the schwa sound uh, such as pronouncing b as buh.. Pronouncing a simple word such as cat by sounding kuh-ay-tuh confuses many students. By practicing consonants with different vowels, students can avoid saying uh with each consonant.