These windows typically consist of one or two movable panels (sashes) that slide vertically or, in some cases, tilt inward for easy cleaning ... Modern PVC sash windows come with advanced locking ...

This article will review the mechanisms of activation of alternative, classical, and lectin pathways, the formation of C3 and C5 convertases, the action of anaphylatoxins, and the ...

This causes imbalance and misalignment of the spine, leading to low back pain. Depending on the direction of the pelvic tilt, it can cause pain in the knees, legs, hips, buttocks, shoulders, and neck.