Perforated <span>type of tray allows impression material to mechanically lock on.</span>
Answer and Explanation:
Split system training is a program of weight training that divides training sessions by body regions—usually upper- and lower-body training. For example, your weight training program includes a lower-body split on Tuesdays and an upper-body split on Thursdays.
You could say something along the lines of:
"Hey, Friend, what's so good about weed? Why are you always smoking it?"
If he's smoking it for medical purposes, then just drop it, but if it's illegal and he's doing it to "look cool", then I would further ask questions about it.
Your mouth, nose, throat, sinuses and lungs are lined with mucus membranes. These membranes contain mucus glands that produce - surprise - mucus. Mucus-producing membranes line specific passages in your body, like the respiratory and digestive tracts, for protection and support.