Basic Electrical Symbols

Basic Electrical Symbols – Common Basic electrical symbols like earth electrode, cell, battery, source, ideal source, resister, variable resister, pre-set resister, attenuator, capacitor, antenna, diode LED, crystal are included here. Earth electrode is a metal plate, water pipe, or other conductor of electricity partially buried in the earth so as to constitute and provide a […]

The World’s Largest Floating Solar Plant

Long reviled for its carbon emission record, this is the Chinese government’s latest achievement in its ongoing effort to lead the world in renewable energy adoption. 40 MW Floating Solar Power Plant in China becomes World’s Largest Floating PV Plant Located in the city of Huainan in the Anhui province, the 40-megawatt facility was created […]

How to Build a Wicking Garden Bed Container

Water is an essential element of gardening, as it having great quality soil is not enough. But if you live in a very dry area or simply want to save some water when gardening, wicking bed containers are the answer for your troubles. A wicking bed implies a water reservoir at the bottom of the […]

Signs of Poorly Vented Plumbing Drain Lines

Poorly vented plumbing drain lines are often problem to many homes (Signs of Poorly Vented Plumbing Drain Lines). People notice some changes when the water flows but they often do not take it seriously and the problem becomes even bigger. The bubbles in the toilet or sudden water level changes in the toilet bowl are […]

Bridge Expansion Joints

  Large movement expansion joints are best defined as those that provide support across the expansion void, without exceeding the code requirement of the 85 mm ULS unsupported gap. Large movement expansion joints, particularly of the Modular type having movement capacities up to 2,000mm, require careful consideration as to the structural integrity of the bridge […]


T-Shaped   Slab-on-grade foundation   Frost Protected   There are many variations of concrete slabs depending on the purpose of the slab. Below are some useful links for understanding concrete foundations, along with the three types of concrete foundations. T-Shaped A traditional foundation method to support a structure in an area where the ground freezes. […]


A roof pitch angle is the slope and inclination angle of a roof in large buildings or smaller residential homes. Roof pitch is calculated in degrees via a simple conversion method and this article explains how. If you are planning to renovate your house by installing skylights or cutting new rake boards, it’s essential to […]


Below, you’ll find the AutoCAD one-key shortcuts.  SHORTCUT COMMAND COMMENT A ARC Draw an arc AL ALIGN Align an object with another AP APPLOAD Opens application load dialogue box AR ARRAY Opens array dialogue box AUDIT AUDIT Audit drawing for errors AV DSVIEWER Opens ariel view of drawing B BLOCK Opens block dialogue box C […]