Abstract: A saw guide can include pivotally connected arcuate sections having a plurality of slots formed therein to receive and guide saw blades as they cut a workpiece, such as a pipe or tube. The slots are of varying width so that the saw guide can be used with different saws. For example, the saw guide can include a first slot sized to receive and guide the blade of a reciprocating saw, and a relatively narrower second slot, sized to receive the blade of a portable band saw. The saw guide can include a locking mechanism to securely hold the saw guide on the workpiece, and a stopping mechanism for preventing the saw blade from cutting into the saw guide.

Abstract: A saw guide can include pivotally connected arcuate sections having a plurality of slots formed therein to receive and guide saw blades as they cut a workpiece, such as a pipe or tube. The slots are of varying width so that the saw guide can be used with different saws. For example, the saw guide can include a first slot sized to receive and guide the blade of a reciprocating saw, and a relatively narrower second slot, sized to receive the blade of a portable band saw. The saw guide can include a locking mechanism to securely hold the saw guide on the workpiece, and a stopping mechanism for preventing the saw blade from cutting into the saw guide.

Abstract: A saw guide can include pivotally connected arcuate sections having a plurality of slots formed therein to receive and guide saw blades as they cut a workpiece, such as a pipe or tube. The slots are of varying width so that the saw guide can be used with different saws. For example, the saw guide can include a first slot sized to receive and guide the blade of a reciprocating saw, and a relatively narrower second slot, sized to receive the blade of a portable band saw. The saw guide can include a locking mechanism to securely hold the saw guide on the workpiece, and a stopping mechanism for preventing the saw blade from cutting into the saw guide.

Abstract: A saw guide can include pivotally connected arcuate sections having a plurality of slots formed therein to receive and guide saw blades as they cut a workpiece, such as a pipe or tube. The slots are of varying width so that the saw guide can be used with different saws. For example, the saw guide can include a first slot sized to receive and guide the blade of a reciprocating saw, and a relatively narrower second slot, sized to receive the blade of a portable band saw. The saw guide can include a locking mechanism to securely hold the saw guide on the workpiece, and a stopping mechanism for preventing the saw blade from cutting into the saw guide.

Abstract: A system is monitored by an operator choosing a part thereof having a number of items of equipment; determining the values of parameters of components forming the equipment items included in the chosen part of the system; deciding from the values if the parameters are abnormal; determining in which of a plurality of categories each parameter falls and grouping together those parameters that are abnormal in each category for each equipment item; selecting, by an operator, certain types of the equipment items and certain of the categories; and displaying all of the equipment items of the chosen part of the system and all of the categories having abnormal parameters in a graphical manner, with the selected types of equipment items and the selected categories for those selected types of equipment items being displayed in a normal manner and those that have not been selected being "greyed-out".

Abstract: A method of monitoring a system includes providing a representative structure of the system which has a plurality of levels in a pyramidal form and selecting a part of the system which is at a level that is not a bottom most level of the pyramidal structure and which has a plurality of sections. A first section of the part of the system is chosen and the said part of the system and its sections are displayed in a graphical manner in a first panel of a display. The said first section is displayed in a second panel of the display, with a symbol in the first panel representing the said first section being shown in a differentiated manner to other graphical components representing the said part. The invention also extends to an arrangement for monitoring a system.

Abstract: A method of monitoring a system, includes determining the values of a number of parameters of equipment comprising the system. The values when the parameters become abnormal and when they become normal are determined. Those parameters that become abnormal and those parameters which were abnormal and become normal and the times at which these events occurred are recorded. The parameters are grouped in a plurality of different categories. The number of abnormal parameters in each category in a predetermined time interval is summarized. The number of abnormal parameters in each category in each time interval is displayed for a predetermined time window. The invention also extends to an arrangement for monitoring a system.