Wood is valued for its carbon sequestration whether it’s planted in the ground as a tree or as a sturdy beam that helps hold up the ceiling of a building. As such, forestry management is key to making sure wood is harvested for mass timber in a sustainable way. ...
James Dulley
The first step is to determine the height of the deck by measuring the distance between your established grade line and the house floor at the doorway. Allow a 2- to 4-inch step-down from the house floor to the deck so water won’t flow into the building. Next, drive a stake to in...
If you rotate the drum in lockstep with the movement of the light beam across the original document, you can build the image strip by strip. After one strip of light is focused onto a corresponding swath of the drum, the drum rotates to expose a fresh area of the photoconductor. ...
A set of numbers on the aperture control of a camera called f-stops describe the size of the circle. The f-stop is inversely related to the size of the aperture: The higher the f-stop number, the smaller the opening. An f-stop of f/11, for example, will be smaller and let in ...
Product photography is one of the most popular photographic genres in commerce. A good product shot can be the difference between a well-selling product and one that no one wants to buy.
How to determine the age of a building by examining its components, building materials, architecture, and other construction details
It is important that all elements are accurately drawn to scale since builders at the job site will often use an architect's scale to determine where to situate rough openings of windows or doors, ceiling heights, etc. It is not good enough to label these numbers. They need to be accurate...
Inert COD production in a membrane anaerobic reactor treating brewery wastewater INTRODUCTION Th e chemical characterization of wastewaters is commonly undertaken to determine their biological treatability, load on an existing treatment system, or compliance with the fi nal discharge standards. In each ...
The membrane attack complex (MAC) is one of the immune system’s first responders. Complement proteins assemble on target membranes to form pores that lyse pathogens and impact tissue homeostasis of self-cells. How MAC disrupts the membrane barrier remai