Sapphire Wafers. Lithium Niobate Wafers. Sapphire is a material of a unique combination of physical, chemical and optical properties, which make it resistant to high temperature, thermal shock, water and sand erosion, and scratching.
Put a tortilla on a plate, covered with a damp paper towel. Alternate tortillas with paper towels. Microwave for 30 seconds to one minute, depending on how many tortillas. Preheat the oven to 250 degrees. Wrap a stack of tortillas in a damp dish towel and place in a casserole dish of similar size. Cover with a lid or a piece of aluminum foil tightly on the dish. Place in oven for 20 minutes. Once the tortillas are heated, transfer them to a tortilla warmer to keep them nice and hot.
Add steak, bell peppers and onion and toss to coat. Cook immediately or cover with plastic wrap and refrigerate up to 24 hours. Set a large nonstick skillet or stove-top grill pan over medium heat. Spray with cooking spray and add steak and vegetables, with the marinade.Saute 5 to 7 minutes, until vegetables are tender-crisp. Transfer mixture to a serving platter. Meanwhile, warm tortillas in the microwave or according to package directions.dd steak, bell peppers and onion and toss to coat. Cook immediately or cover with plastic wrap and refrigerate up to 24 hours. Set a large nonstick skillet or stove-top grill pan over medium heat. Spray with cooking spray and add steak and vegetables, with the marinade.