A cinquain is a five-line poetic form, of syllabic structure 2, 4,  6, 8, 2 - or, a five-line poem consisting of one noun, two  adjectives, three actions, four feeling words â¦ , and one noun  repeating the noun at the start.
Job Description and Duties. Combination welding is a specialty within the field of welding. As a combination welder, you'll put together metal to create machine parts, equipment or motors. You may also repair pieces. To do your job, you'll follow blueprints. Typically, you will use arc welding equipment, but you may also use gas welding equipment.
HDPE pipe fusion Heat fusion (sometimes called heat welding, butt welding or simply fusion) is a welding process used to join two different pieces of a thermoplastic. This process involves heating both pieces simultaneously and pressing them together. The two pieces then cool together and form a permanent bond.