 
 <translate> Working on the masonry of a wall does not mean laying new bricks. It could mean filling in broken mortar or smoothing the mortar now that it has set to get rid of the spikey bits sticking out. It could be getting rid of mold or plants that have dug their way through the mortar and into the brick. I have seen that before.
The final answer: it is not possible to tell. <hau> Gyara ganuwar ba ya nufin saka sabon bulo. Yana iya nufin cikawa a cikin fashewa ko kuma yin laushi da laima yanzu da aka saita don kawar da ɓangarorin spikey da ke fita. Zai iya zama kawar da tsire-tsire ko kuma tsire-tsire da suka shiga cikin turmi da kuma cikin tubalin. Na ga wannan a baya. Amsar ƙarshe: ba shi yiwuwa a faɗi. 