Category: Articles

What is hose stream demand? “Hose stream demand” is the amount of water that must be added to the sprinkler sys- tem hydraulic calculations so there is adequate supply to operate the sprinklers for effec- tive fire control, and fill the hoses for fire extinguishment. What does NFPA 13 cover? The purpose of NFPA 13 […]

Does juggling a soccer ball build muscle? It builds fine control muscles in your knee and leg. You will build foot speed and creativity. Ball juggling is not everything but it does help a lot. Are kick-ups hard? It’s a tricky skill, but getting pretty good at kick-ups is something you can achieve. Practice makes […]

Is food cooking a chemical change? The formation of gas bubbles is often the result of a chemical change (except in the case of boiling, which is a physical change). Rotting, burning, cooking, and rusting are all further types of chemical changes because they produce substances that are entirely new chemical compounds. … Why is […]

Who invented the helicopter Leonardo da Vinci? While Igor Sikorsky is undoubtedly the father of the modern helicopter (Check out our infographic on the First Flying Helicopter!), the history of the helicopter is said by many to have started with an ingenious drawing by 15th century painter and inventor, Leonardo da Vinci. Who did the […]

How long does it take to get used to a partial denture? It will take time to get used to wearing new dentures, which can take anywhere between three and nine weeks. Most new denture wearers claim it only took them about three to four weeks to get used to their new dentures. What happens […]

Where is the wrack line? The wrack line is the line of debris left on the beach by high tide. The wrack is usually made up of eel grass, kelp, crustacean shells, feathers, bits of plastic, and all kinds of litter. What is wrack on a beach? “Wrack” is the term for seaweed, surfgrass, driftwood, […]

What dogs get along best with beagles? Dog Breeds That Get Along With Beagles Beagles. Golden Retrievers. Greyhounds. Italian Greyhound. Labradors. Saluki. Whippets. What dogs get along well with golden retrievers? Golden retrievers are among the most affectionate dog breeds. They are sociable and can get along well with other small dogs. Some small breeds […]

What are toy soldier kicks? 4. Toy Soldier Step forward with your right foot, and swing your left leg out in front of you, chest high or as high as you can go. Keeping your back straight, reach out with your right hand to try to touch your toes. Lower your left leg down a […]

How long does it take to get a DHL package from Hong Kong? For DHL China shipping typically takes just 2–4 days but for DHL Hong Kong it will take about 3–5 days because the goods have to be transported to DHL Hong Kong first. Your DHL shipment will be delivered all the way to […]

How can the density of concrete be reduced? As rightly pointed out by Tarun, you can use foaming Agents or Air Entraining agents to decrease the density of concrete. You can also use EPS beads and Sintered Fly Ash Light Weight Aggregate also. But keep in mind this will affect the strength also. How can […]