Hello Kwaiyai
Are you a pilot ? You don't seem to have any idea of the differences between the words THERE and THEIR, it's pretty basic really. You are not the only one - many many postings on here on different threads (from supposedly professional people) have terrible spelling and grammar interpretations and for someone who went to school to do more than eat his lunch it's blatantly obvious. I thought a pass in A grade English was a prerequisite for gaining an airline pilots license ???