①  Unit layout B=bathtub type S=shower type L=attach basin C=attach toilet P=panel type
②  Short side inner measurement 16=1,600mm, except if it is LCP type, mark the internal dimension of sanitary equipment attaching side first
③  Long side inner measurement 21=2,100mm
④  Wall panel finishing T=tile S=polyvinyl chloride reinforced panel M=others
⑤  Floor finishing A=tile B=FRP/ SMC exposure C=others
⑥  Indication of left and right R= Located to right in front of bathtub L= Located to left in front bathtub (standard for faucets location) R= Located to right in front of bathtub L= Located to left in front of bathtub
⑦  Door location C= Opposite side of bathtub F= Opposite side of basin S = Side of basin