Apparatus and methods for detecting lamp failure in a rapid thermal processing tool are provided. The apparatus comprises a content analysis processor for identifying an exact indicator of a boundary of the content item in the content stream, wherein identifying comprises determining a remote indicator being remote from the boundary and analyzing the content stream starting from the remote indicator towards the boundary to identify the exact indicator. A disc mechanically attached to an end section of at least one of the rollers engages a web of the second interlocked profile that extends beyond the width of a web of the first profile. The laser may reside in a housing having a slit or slot for the laser light to pass through to illuminate the faceplate indicia. Methods provide spray freeze drying of formulations to form stable freeze dried particles. In the exoatmospheric configuration, either the outer housing is arranged to release the payload or the outer housing and payload are arranged in a propulsion configuration.