"I have been playing with [the] instrument during [the] weekend.
It works now like [a] Swiss watch!"
"These are great machines, they seldom cause any trouble."
"Our spin coater works beautifully and we are very happy with it."
"We recommended your company to other users that [were] interested in [using] our spin-coater because we are really satisfied with its yield."
"The device works perfectly for this purpose and we have been very satisfied."
"My spin processer [sic] arrived this morning, everything looks good. I've got it installed and will start programming/process development this afternoon. Talk about service, you have blown away EVERY other manufacturer I've worked with."
"We liked so much your spinner [sic] that we are planning to buy another one."