About Seagate Technology. Seagate is a manufacturer of hard disk drives and has been a leader in the development of the hard disk drives since releasing the first 5.25-inch hard drive.
ECA stack. The ECA stack is a drug combination used in weight loss and as a stimulant. ECA is an initialism for ephedrine, caffeine, and aspirin, with variants of it including the EC stack, which removes the aspirin for those who can not tolerate it.
How to Make Aspirin - Acetylsalicylic Acid - Procedure. Pure acetylsalicylic acid is white, but a yellowish color is common from slight impurities or from mixing aspirin with caffeine. Caspar Benson, Getty Images. Accurately weigh 3.00 grams of salicylic acid and transfer to a dry Erlenmeyer flask.