What is the only thing that can scratch glass? Hardened steel, such as a file, can scratch glass. Titanium, chromium and even sapphires or rubies can scratch glass, while aluminum or a butter knife blade may not. Can glass be scratched by quartz? Quartz is harder than any of the common minerals in meteorites. Quartz…
Category: Users’ questions
How does in-flight entertainment work?
How does in-flight entertainment work? IFE systems seemingly work without any visible wires. The wiring is actually tucked away into the aircraft walls, with the wiring starting in the top panel, next to the oxygen masks and AC wents. These wires then connect to the power units, which are present every few rows in the…
How do you find the prime number in a range?
How do you find the prime number in a range? Approach used in the below program is as follows We take range variables as START and END. Function countPrimes(int strt,int end) returns the count of primes in range. Take the initial variable count as 0. Traverse using for loop from i=strt to i <=end. Take…
What are negotiation dynamics?
What are negotiation dynamics? Rather than just focus on giving advice on how to better negotiate, Negotiation Dynamics helps you learn negotiation from a strategic perspective. This allows you to maximise rewards and minimise risk in short and long-term relationships, internal and external negotiations, friendly and adversarial contexts, etc. How can I learn negotiation skills?…
How much do K9 officers make?
How much do K9 officers make? Based on these figures and a few others, its estimated that on average K-9 officers make between $55,000 and $60,000 a year on average. K-9 police officers may earn as little as $32,000 a year (as reported by the Bureau of Labor Statistics for officers in the lowest 10th…
Why phenol is ortho and para directing?
Why phenol is ortho and para directing? Phenols are highly prone to electrophilic substitution reactions due to rich electron density. The hydroxyl group attached to the aromatic ring in phenol facilitates the effective delocalization of the charge in the aromatic ring. The hydroxyl group also acts as ortho para directors. Why activators are ortho and…
How do you absorb treadmill noise in an apartment?
How do you absorb treadmill noise in an apartment? How to Reduce Treadmill Noise in an Apartment: 8 Easy Ways Use a Treadmill Rubber Mat. Relocate Your Treadmill to a Carpeted Area. Use Treadmill Isolation Pads (Anti Vibration Pads) Check the Position of Your Treadmill. Lubricate your Treadmill Belt. Perform Other Maintenance. Soundproof Your Room….
Why does my laptop screen flicker randomly?
Why does my laptop screen flicker randomly? Wires connecting your laptop screen to the base keyboard chassis can become loose or damaged over time, potentially resulting in a flickering laptop screen. A loose or damaged screen cable, inverter, or backlight are all possible culprits behind your particular laptop screen flickering woes. How do I fix…
How can you tell if brake pads are asbestos?
How can you tell if brake pads are asbestos? Millions of brakes and clutches on cars, trucks, and on auto parts shelves still contain dangerous levels of the material, although it is not generally used in the production of new brakes or clutches. You cannot tell if a brake or clutch contains asbestos just by…
Is Moody a pure-blood?
Is Moody a pure-blood? Alastor “Mad-Eye” Moody (d. 27 July, 1997) was a pure-blood wizard, considered to be the most famous Auror of all time. He was a pivotal member of the Order of the Phoenix during the First and Second Wizarding Wars. What happened to Alastor Moody’s body? Moody’s corpse was recovered by the…