length of proceedings length of rail length of residence length of road length of rope length of service length of stay length of stroke length of study length of the article length of the bar length of the belt length of the blade length of the body length of the bridge length of the building length of the cable length of the chain length of the channel length of the connecting length of the contract length of the course length of the data length of the day length of the extension length of the fiber length of the field length of the film length of the first length of the forewings length of the game length of the hair length of the head length of the key length of the lens length of the line length of the longest length of the path length of the period length of the pipe length of the proceedings length of the program length of the river length of the road length of the rod length of the rope length of the route length of the second length of the side length of the sleeve length of the string length of the support length of the text length of the track length of the tube length of the tunnel length of the vehicle length of the video length of the wall length of time length of time it length of time required length of time spent length of time you length of training length of treatment length of tube length of tubing length of up length of use length of wire length of your hair length of your stay length or width length overall length principle length range length ranges length ratio length reduction length required length right length rods length scale length scales length sequence length setting length short length should length should not exceed length sleeves length stop length thereof length times length units length used length using length value length varies