Safe Levels of Fish Oil for Pets. The National Research Council has established a safe upper limit of EPA and DHA for dogs. It has yet to establish one for cats. In light of that, it is probably safe to use the guidelines for dogs for both species.
TTP Hard Drills, an easier way to drill steel and harder alloys - Cobalt Drill Sets and Cobalt Drills. Designed and developed from feedback from engineers in workshops TTP cobalt steel Hard Drills - drilling easily harder steels and metals where a normal HSS drill bit can not come close.
1 Drill bits-twist drills used for wood or steel are usually sharpened on a grinding wheel or within a purpose made grinding jig to an angle of 60Â° from vertical (120Â° total) although sharper angles may be used for hard or brittle materials such as glass.ery sharp knives sharpen at about 10 degrees (which implies that the knife's edge is a 20-degree angle). Generally speaking, razors, paring knives, and fillet knives should be the sharpest knives at an angle of 12Â° â 18Â°.