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.
Consonant Sounds. /b/ sound as in barbecue, bed, bay, and badge. /d/ sound as in desert, distance, direction, and draw. /f/ sound as in family, flame, fossil, and floodlight. /g/ sound as in ghost, globe, give, and group. /h/ sound as in hail, hedgehog, hammer, and horse. /j/ sound as in bridge, ginger, giant, and juggle. /k/ sound as in kidney, kiss, knock, and kitchen.