The invention relates to an herbal composition comprising extract of plant Moringa Oleifera, a member of family Moringaceae, plant Piper Nigrum, a member of family Piperaceae and plant Nicotiana Tabacum, a member of family Solanaceae for treating or alleviating of vascular headaches, neurological conditions and neurodegenerative diseases. Systems for down drilling and up drilling with drill bits comprising one or more up-drill features are also disclosed. In another embodiment, the trench bottom in amorphized and the trench walls are left as single crystal silicon so that oxide can be grown much faster and thicker on the trench bottom than on the trench walls during an oxide growth step. The method transitions the receiving of the data packets from partial service mode to full service mode when a result from the spectrum management method indicates that the select channel can transmit data packets error free. The sliding block rides on and along with the plunger rod and helps to reinforce the plunger rod against bending or buckling during use.