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The starter motor in your automobile is a DC motor. If you were to accidentally reverse the battery polarity, the DC motor would still rotate in the same direction. Reversing polarity of the battery will not cause the motor to rotate in the opposite direction.

To reverse the direction of rotation of this type of motor, either the…[Leggi tutto]

5 of the best yoga pants: Health benefits and risks

Wearing yoga suit while exercising may make a workout more comfortable and therefore more enjoyable. It may also prevent overheating. That said, it also carries some health risks.

This article discusses the health benefits and risks of wearing yoga pants, what to look for, some…[Leggi tutto]

Yoga Equipment Guide for Beginners

When you first start doing yoga, it's hard to know what you really need to buy. The yoga mat continues to develop so much clothing and equipment that you might feel you need to spend hundreds of dollars before ever stepping foot in a studio.

The good news is, you actually need very little…[Leggi tutto]

Everyone Is Buying Mirrors Right Now

2020 was the year our appearances mattered the least. There were no parties to go to, no fancy dinners, no 500-person weddings. Yet, ironically, wall mirror interest skyrocketed. CB2 reported that mirrors were their most-searched home product, with over 4 million inquiries. 1stDibs saw a double digit…[Leggi tutto]

Circular Knitting Machine

The term knitwear includes two main textile techniques, weft and warp knitting (Spencer, 2001; Weber and Weber, 2008) (Table 7.1). After weaving, it is the most common method of manufacturing textile fabrics. Because of the interlooped structure of the knitted fabric, the properties are completely different to…[Leggi tutto]

Towards understanding the improved stability of palladium supported on TS-1 for catalytic combustion

A novel Pd supported on TS-1 combustion catalyst was synthesized and tested in methane combustion under very lean and under highly humid conditions (<1%). A notable increase in hydrothermal stability was observed over 1900 h…[Leggi tutto]

State of the art baby strollers

The current work is an attempt to design and fabricate an ergonomic baby stroller with the latest state of the art features. A review on the design of baby strollers in the previous years was done ranging from the year 1980 to 2014. Based on the review it was found out that the idea of a foldable frame…[Leggi tutto]

Paper Bag Making Machine: The Ultimate Guide

I know you’re looking for a paper bag making machine that’s why you are here.

Maybe, you want to be a paper bag wholesaler or make branded designs for your retail business.

The truth is, paper bags are dear packages for food vendors, retailers, and even man…[Leggi tutto]

How a laser printer works

Have you ever tried writing with a beam of light? Sounds impossible, doesn't it, but it's exactly what a CO2 laser printer does when it makes a permanent copy of data (information) from your computer on a piece of paper. Thanks to sci-fi and spy movies, we tend to think of lasers as incredibly powerful light…[Leggi tutto]

Filament winding has emerged as the main process for carbon fiber reinforced plastic (CFRP) fabrication, and tension control plays a key role in enhancing the quality of the winding products. With the continuous improvement of product quality and efficiency, the precision of the tension control system is constantly improving. In this paper, a…[Leggi tutto]