Optician Salary in Canada. The Canadian government classifies an optician under the group 31: professional occupations in health (3231). According to their statistics, the average annual income for someone working in the profession falls around $39,000 with approximately 16% of opticians earning over $50,000 per year.
So it needs to be tough. Low-cost bench vises often use steel, which is light and cheap. It's fine for light duties and for hobbyists, but it doesn't have the high resilience a professional would need. The best bench vises are made of cast iron, and two variants can be found: gray iron and ductile iron. Gray iron isn't about color, it's used to indicate the presence of graphite flakes. It's the most common form of cast iron, used in everything from vises to stove tops.
Modal fabric is made from Modal fiber, which is a type of regenerated viscose fiber manufactured by Lenzig Inc. The fiber is known for its softness, and eco-friendly nature. The manufacturing process for this fiber is very energy effficient unlike the production methods for the other regenerated viscose.