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Woman and Construction
The world of construction is being seen more and more as an attractive career choice for women, as it gradually sheds off its image of being a traditionally male dominated industry. The industry is competitive, the rate of business turnover is high a ...more
Types of Engineering
Engineering, much like science, is a broad discipline which is often broken down into several sub disciplines. These disciplines concern themselves with differing areas of engineering work and to some extent can be outlined as follows, howevever this ...more
In-house Q&A
I have a small problem when our heating or AC system comes on, the hot and cold air blows through all of the vents except one. How do I rectify this.
There are two ways to solve this problem. The easiest and cost free way is to simply partiall ...more
Painting your exterior
Poor Galvanised Metal Adehsion
Paint that has lost its adhesion to a galvanised metal substrate.
POSSIBLE CAUSES
1. Improper surface preparation, such as inadequate rust removal.
2. Failure to apply a primer before application of a solvent based or water based paint, vinyl acetate copolymer type.
3. Failure to sand baked on enamel finishes or glossy surfaces before painting.
SOLUTION
Any rust on the metal should be removed with a wire brush, then, an acrylic water based corrosion inhibitive primer s ...more