In using a guitar amp, it's important to know how to manipulate the amplifier to achieve a number of different effects, including a clean or dirty sound. Learn about using the bass and treble knobs on an amp with help from a professional guitarist in this free video on guitar amps.
A 10 X 13 envelope (must be less than 1/4 inch thick) is considered a flat and costs 80 cents for the first ounce and 17 cents for each fractional ounce after that up to 13 ounces.
It depends what type of mail you're sending (and the weight)...  According to the Post Office web-site, to send (for example) a 100  gramme letter by airmail-and have it d â¦ elivered within 2-3 working  days, the cost from the UK is Â£8.86.Jason Harmon.t depends what type of mail you're sending (and the weight)...  According to the Post Office web-site, to send (for example) a 100  gramme letter by airmail-and have it d â¦ elivered within 2-3 working  days, the cost from the UK is Â£8.86. Jason Harmon.