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.
In the middle of a syllable it has the short i sound. 30) What are the short and long vowel sounds? Short vowel sounds are the a in pat, the e in pet, the i in pit, the o in pot, and the u in putt. Long vowel sounds are the same as the letterâs name.31) What is a vowel digraph, and what are the two types? A vowel digraph is composed of two vowels and has one sound.A regular vowel digraph has the long sound of the first vowel. (Examples are pail and leaf.) An irregular vowel digraph has any single vowel sound except the long sound of the first vowel.1) What is a vowel digraph, and what are the two types? A vowel digraph is composed of two vowels and has one sound. A regular vowel digraph has the long sound of the first vowel. (Examples are pail and leaf.) An irregular vowel digraph has any single vowel sound except the long sound of the first vowel.