"before start of work" is a correct and usable phrase in written English.
It can be used as an adverbial phrase to indicate a time or event that occurs before work begins. Example: "Employees are required to arrive at the office before the start of work at 9 am."
Before the start of work in each woreda, enumerators and supervisors were recruited and given training on EPI essentials, survey tools (including use of a Global Positioning System [GPS] navigation device), and ethics with role play exercises and actual field practice.
The students were randomly assigned to one of two conditions: before starting to work, they were either shown six photographs of outdoor activities in nice weather, such as sailing or eating outdoors, or were asked to describe their daily routines.
"We have this market, we must use it," President Jonathan said - before laying the keel to mark the start of work on the second "Made in Nigeria" warship.
The ratio of nine corresponds to the kiln's operation conditions that were commonly used before the start of this work and will be referred to as the standard operating conditions.
As usual, I had a ton of to-do items awaiting me on my last free day before the start of the work week.
Further training and refreshing of these interviewers was done before the start of field work.
Also before the start of the work, we could not estimate how much using R = 2 instead of R = 1 would increase the sample size in the TT, DTT and SSD.
Offspring production occurs at two moments: a fixed number of N workers are produced before the start of the working phase, and reproductive offspring is produced at the end of the working phase.
Before starting field work, the efficiency of the immunologic tests was confirmed in a laboratory using oilseed rape plants from a commercially grown field near Rümlang, Zurich, as negative control (Table 1), whereas the positive control consisted in certified reference 0304B Event GT73/RT73 oilseed rape Seed (Monsanto) by AOCS, Champaign, IL, USA.
