asdasd

The rate of change in the load on the tool is proportional to the active length of the primary cutting edge. Assessment of the smoothness of tool insertion on the basis of the rate of change in the load on the tool is proposed.

Referencing special energy model, a new gun drill mechanics model was established and the influence of the…[Leggi tutto]

An electric generator is a device that converts mechanical energy obtained from an external source into electrical energy as the output.

It is important to understand that a generator does not actually ‘create’ electrical energy. Instead, it uses the mechanical energy supplied to it to force the movement of electric charges pre…[Leggi tutto]

Most fabrics are woven, meaning they are constructed on a loom and have interlocking warp (the thread or fiber that is strung lengthwise on the loom) and weft (the thread that cuts across the warp fiber and interlocks with it) fibers that create a flat piece of fabric. Felt is a dense, non-woven fabric and without any warp or weft. Instead,…[Leggi tutto]

The word glass comes from the Teutonic term “Glaza”, which means amber. Although the origin of glass production line is still uncertain, the Mesopotamians from the 5th century BC discovered an ash by chance when they fire to melt clay vessel to use for glazing ceramics or when copper was smelted. In Egypt, greenish glass beads were excavated in…[Leggi tutto]

Stainless steel has unique properties which can be taken advantage of in a wide variety of applications in the construction industry. This paper reviews how research activities over the last 20 years have impacted the use of stainless steel in construction. Significant technological advances in materials processing have led to the development of…[Leggi tutto]

Christmas crafting is one of the best ways to spend Christmas 2021. Pick a project from our easy, step-by-step guides to start making fabulous Christmas arts and crafts, decorations and handmade Christmas gifts that your friends and family will love. 

Christmas is here, so shops are reeling us in with their Christmas adverts,…[Leggi tutto]

I polled some of our authors to find out which pans were the most valuable to them and why. I then came up with six pieces, starting with two indispensables: an anodized-aluminum stockpot to handle stocks, soups, stews, some sauces, blanching, boiling, and steaming; and a high-sided stainless-steel/aluminum sauce pan with a lid for frying,…[Leggi tutto]

Essential to modern life and a familiar part of our surroundings, yet often not treated with deserved respect. Run over, walked on, crimped in windows and doors, left out in sun and storm alike, strung together, bent, yanked, and strung across rooms and under carpets, strewn across wet grass and through holes in walls, taped up and snarled in…[Leggi tutto]