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.
Today we are going to study a new digraph. -ng. -ng makes the /ng/ sound as at the end of the word ring. -ng makes a single sound and the sound comes through the nose. To make this sound, your jaw should drop open with your tongue cutting off the air at the back of your mouth so the sound comes out of your nose. This picture of a ring will remind you of the sound the digraph ng makes. /Å/ The digraph -ng usually comes at the end of a word. That is why there is a line in front of the spelling. It shows that other letters must come in front of it.