Some disadvantages of the Engineering Cost Estimating method include: [2] 1  It can be expensive to implement and it is time consuming. 2  It is not flexible enough to answer what-if questions. 3  New estimates must be built for each alternative.  The product specification must be well known and stable.
grutch (v.) c. 1200, grucchen, to murmur, complain, find fault with, be angry, from Old French grouchier, grocier to murmur, to grumble, of unknown origin, perhaps from Germanic, probably ultimately imitative. Meaning to begrudge is c. 1400. Compare gruccild (early 13c.) woman who complains, from grutch + suffix of
A crutch is a mobility aid that transfers weight from the legs to the upper body. It is often used for people who cannot use their legs to support their weight, for reasons ranging from short-term injuries to lifelong disabilities.