Before being placed in a formwork, steel reinforcement may become rusted, because it was initially exposed to the atmosphere. When freshly-mixed concrete is placed around this steel, the mixing water penetrates through the rust pores, where it gradually forms hydrated calcium ferrite (4.CaO. Fe2 O3 13H2 O). Moreover, this water reacts with steel and forms…
Calibration quantifies the risk associated with a measurement. It provides a user with an unbroken chain between the instrument in use, and its corresponding SI unit. Calibration also evaluates how an instrument drifts from the true value with time; thereby providing a means of determining if a device is stable or approaching the end of…
You have just bought a new thermometer to measure the temperature of a solution you prepare for clients. The solution needs to be a specific temperature and you assume that the new thermometer you bought gives an accurate measurement. However, there is a possibility that this thermometer gives an incorrect measurement, or is “off” by one…
Street foods comprise of a portion of the average Trini’s diet – shark and bake, doubles and roti to name a few examples… Street foods are not a local phenomenon though – in the U.S. common street foods include hot dogs, pretzels and tacos and in the U.K., kebabs, hamburgers and doughnuts are commonly sold…
We all know the type of cravings chocolate bestows upon us, the indescribable taste it exudes and the feelings it evokes. Chocolate was, and still is, considered to be the food of the Gods. The ancient Aztecs reserved it for the royalty. ‘So we are all royalty when we eat chocolate!’ Chocolate in its purest…
“Food Safety for Christmas? Nah man, the food always good. I never got stomach problems; in fact I have an iron belly. Why waste my time washing my hands when I could be eating? Who say we have to eat turkey as soon as it cook and cut up the leftovers an put in the…
